CVE-2020-25669 (GCVE-0-2020-25669)
Vulnerability from cvelistv5 – Published: 2021-05-26 11:25 – Updated: 2024-08-04 15:40
VLAI
EPSS
VEX
Summary
A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.
Severity
7.8 (High)
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2020/11/05/2 | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2020/11/20/5 | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_MISC |
| https://github.com/torvalds/linux/commit/77e70d35… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021070… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | Linux Kernel |
Affected:
5.9.4
|
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T15:40:36.924Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "[oss-security] 20201105 CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/05/2"
},
{
"name": "[oss-security] 20201120 Re: CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/20/5"
},
{
"name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
},
{
"name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.openwall.com/lists/oss-security/2020/11/05/2%2C"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.openwall.com/lists/oss-security/2020/11/20/5%2C"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20210702-0006/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Linux Kernel",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "5.9.4"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-07-02T11:06:56.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "[oss-security] 20201105 CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/05/2"
},
{
"name": "[oss-security] 20201120 Re: CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/20/5"
},
{
"name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
},
{
"name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.openwall.com/lists/oss-security/2020/11/05/2%2C"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.openwall.com/lists/oss-security/2020/11/20/5%2C"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.netapp.com/advisory/ntap-20210702-0006/"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2020-25669",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Linux Kernel",
"version": {
"version_data": [
{
"version_value": "5.9.4"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-416"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "[oss-security] 20201105 CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2020/11/05/2"
},
{
"name": "[oss-security] 20201120 Re: CVE-2020-25669: Linux Kernel use-after-free in sunkbd_reinit",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2020/11/20/5"
},
{
"name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
},
{
"name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
},
{
"name": "https://www.openwall.com/lists/oss-security/2020/11/05/2,",
"refsource": "MISC",
"url": "https://www.openwall.com/lists/oss-security/2020/11/05/2,"
},
{
"name": "https://www.openwall.com/lists/oss-security/2020/11/20/5,",
"refsource": "MISC",
"url": "https://www.openwall.com/lists/oss-security/2020/11/20/5,"
},
{
"name": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e",
"refsource": "MISC",
"url": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e"
},
{
"name": "https://security.netapp.com/advisory/ntap-20210702-0006/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20210702-0006/"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2020-25669",
"datePublished": "2021-05-26T11:25:08.000Z",
"dateReserved": "2020-09-16T00:00:00.000Z",
"dateUpdated": "2024-08-04T15:40:36.924Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2020-25669",
"date": "2026-09-18",
"epss": "0.00627",
"percentile": "0.48615"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "633A7002-5307-4004-870F-A5D67E43881C",
"versionEndExcluding": "4.4.245",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4E984D1A-8713-4FE8-AF3B-003B9F444CC4",
"versionEndExcluding": "4.9.245",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E11B2B8E-94D2-443B-84B7-E24FC9A21EE8",
"versionEndExcluding": "4.14.208",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CCE57A6F-2998-4412-9145-A06B95F7C2B5",
"versionEndExcluding": "4.19.159",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A218F29C-5693-4950-AF2E-E7FBAC4B2901",
"versionEndExcluding": "5.4.79",
"versionStartIncluding": "4.20",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7B9D19AC-EE9C-4F21-AAA8-3E45A4AD9495",
"versionEndExcluding": "5.9.10",
"versionStartIncluding": "5.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
"matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:solidfire_\\\u0026_hci_management_node:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D6D700C5-F67F-4FFB-BE69-D524592A3D2E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*",
"matchCriteriaId": "83FAD281-BF77-4A8A-8F29-B557A6903BE0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "108A2215-50FB-4074-94CF-C130FA14566D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "32F0B6C0-F930-480D-962B-3F4EFDCC13C7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*",
"matchCriteriaId": "803BC414-B250-4E3A-A478-A3881340D6B8",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "0FEB3337-BFDE-462A-908B-176F92053CEC",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*",
"matchCriteriaId": "736AEAE9-782B-4F71-9893-DED53367E102",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*",
"matchCriteriaId": "CDDF61B7-EC5C-467C-B710-B89F502CD04F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free."
},
{
"lang": "es",
"value": "Se encontr\u00f3 una vulnerabilidad en el Kernel de Linux donde la funci\u00f3n sunkbd_reinit habiendo sido programada por la funci\u00f3n sunkbd_interrupt antes de que sunkbd fuera liberada.\u0026#xa0;Aunque el puntero colgante est\u00e1 establecido en NULL en la funci\u00f3n sunkbd_disconnect, todav\u00eda se presenta un alias en sunkbd_reinit causando un Uso de la Memoria Previamente Liberada"
}
],
"id": "CVE-2020-25669",
"lastModified": "2024-11-21T05:18:24.777",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-05-26T12:15:15.743",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/05/2"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/20/5"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20210702-0006/"
},
{
"source": "secalert@redhat.com",
"url": "https://www.openwall.com/lists/oss-security/2020/11/05/2%2C"
},
{
"source": "secalert@redhat.com",
"url": "https://www.openwall.com/lists/oss-security/2020/11/20/5%2C"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/05/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/20/5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20210702-0006/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.openwall.com/lists/oss-security/2020/11/05/2%2C"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.openwall.com/lists/oss-security/2020/11/20/5%2C"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "secalert@redhat.com",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "633A7002-5307-4004-870F-A5D67E43881C",
"versionEndExcluding": "4.4.245",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4E984D1A-8713-4FE8-AF3B-003B9F444CC4",
"versionEndExcluding": "4.9.245",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E11B2B8E-94D2-443B-84B7-E24FC9A21EE8",
"versionEndExcluding": "4.14.208",
"versionStartIncluding": "4.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CCE57A6F-2998-4412-9145-A06B95F7C2B5",
"versionEndExcluding": "4.19.159",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A218F29C-5693-4950-AF2E-E7FBAC4B2901",
"versionEndExcluding": "5.4.79",
"versionStartIncluding": "4.20",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7B9D19AC-EE9C-4F21-AAA8-3E45A4AD9495",
"versionEndExcluding": "5.9.10",
"versionStartIncluding": "5.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
"matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:solidfire_\\\u0026_hci_management_node:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D6D700C5-F67F-4FFB-BE69-D524592A3D2E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*",
"matchCriteriaId": "83FAD281-BF77-4A8A-8F29-B557A6903BE0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "108A2215-50FB-4074-94CF-C130FA14566D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "32F0B6C0-F930-480D-962B-3F4EFDCC13C7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*",
"matchCriteriaId": "803BC414-B250-4E3A-A478-A3881340D6B8",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "0FEB3337-BFDE-462A-908B-176F92053CEC",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*",
"matchCriteriaId": "736AEAE9-782B-4F71-9893-DED53367E102",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*",
"matchCriteriaId": "234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*",
"matchCriteriaId": "CDDF61B7-EC5C-467C-B710-B89F502CD04F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free."
},
{
"lang": "es",
"value": "Se encontr\u00f3 una vulnerabilidad en el Kernel de Linux donde la funci\u00f3n sunkbd_reinit habiendo sido programada por la funci\u00f3n sunkbd_interrupt antes de que sunkbd fuera liberada.\u0026#xa0;Aunque el puntero colgante est\u00e1 establecido en NULL en la funci\u00f3n sunkbd_disconnect, todav\u00eda se presenta un alias en sunkbd_reinit causando un Uso de la Memoria Previamente Liberada"
}
],
"id": "CVE-2020-25669",
"lastModified": "2024-11-21T05:18:24.777",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-05-26T12:15:15.743",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/05/2"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/20/5"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20210702-0006/"
},
{
"source": "secalert@redhat.com",
"url": "https://www.openwall.com/lists/oss-security/2020/11/05/2%2C"
},
{
"source": "secalert@redhat.com",
"url": "https://www.openwall.com/lists/oss-security/2020/11/20/5%2C"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/05/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/11/20/5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20210702-0006/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.openwall.com/lists/oss-security/2020/11/05/2%2C"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.openwall.com/lists/oss-security/2020/11/20/5%2C"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "secalert@redhat.com",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T16:17:12+00:00",
"cve": "CVE-2020-25669",
"id": "CVE-2020-25669",
"initial_release_date": "2020-11-05T05:00:00+00:00",
"product_status:known_not_affected": "32",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: use-after-free read in sunkbd_reinit in drivers/input/keyboard/sunkbd.c",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-25669.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-26T02:34:57Z",
"cve": "CVE-2020-25669",
"id": "CVE-2020-25669",
"initial_release_date": "2023-02-15T03:53:44Z",
"product_status:known_affected": "292",
"product_status:known_not_affected": "108",
"product_status:recommended": "1616",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2020-25669",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-25669.json",
"version": "40"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…