fkie_cve-2022-48782
Vulnerability from fkie_nvd
Published
2024-07-16 12:15
Modified
2024-11-21 07:34
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mctp: fix use after free
Clang static analysis reports this problem
route.c:425:4: warning: Use of memory after it is freed
trace_mctp_key_acquire(key);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
When mctp_key_add() fails, key is freed but then is later
used in trace_mctp_key_acquire(). Add an else statement
to use the key only when mctp_key_add() is successful.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0D327234-5D4A-43DC-A6DF-BCA0CEBEC039",
"versionEndExcluding": "5.16.11",
"versionStartIncluding": "5.16",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmctp: fix use after free\n\nClang static analysis reports this problem\nroute.c:425:4: warning: Use of memory after it is freed\n trace_mctp_key_acquire(key);\n ^~~~~~~~~~~~~~~~~~~~~~~~~~~\nWhen mctp_key_add() fails, key is freed but then is later\nused in trace_mctp_key_acquire(). Add an else statement\nto use the key only when mctp_key_add() is successful."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mctp: corregir el use after free El an\u00e1lisis est\u00e1tico de Clang informa este problema route.c:425:4: advertencia: uso de la memoria despu\u00e9s de liberarla trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Cuando mctp_key_add() falla, la clave se libera pero luego se usa en trace_mctp_key_acquire(). Agregue una declaraci\u00f3n else para usar la clave solo cuando mctp_key_add() sea exitoso."
}
],
"id": "CVE-2022-48782",
"lastModified": "2024-11-21T07:34:00.750",
"metrics": {
"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": "2024-07-16T12:15:03.290",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Mailing List",
"Patch"
],
"url": "https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Mailing List",
"Patch"
],
"url": "https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Patch"
],
"url": "https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Patch"
],
"url": "https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.