CVE-2022-48949 (GCVE-0-2022-48949)
Vulnerability from cvelistv5 – Published: 2024-10-21 20:05 – Updated: 2026-05-11 18:50
VLAI
EPSS
VEX
Title
igb: Initialize mailbox message for VF reset
Summary
In the Linux kernel, the following vulnerability has been resolved:
igb: Initialize mailbox message for VF reset
When a MAC address is not assigned to the VF, that portion of the message
sent to the VF is not set. The memory, however, is allocated from the
stack meaning that information may be leaked to the VM. Initialize the
message buffer to 0 so that no information is passed to the VM in this
case.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:21 UTC
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 , < a6629659af3f5c6a91e3914ea62554c975ab77f4
(git)
Affected: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 , < ef1d739dd1f362aec081278ff92f943c31eb177a (git) Affected: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 , < c581439a977545d61849a72e8ed631cfc8a2a3c1 (git) Affected: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 , < f2479c3daaabccbac6c343a737615d0c595c6dc4 (git) Affected: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 , < 367e1e3399dbc56fc669740c4ab60e35da632b0e (git) Affected: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 , < 51fd5ede7ed42f272682a0c33d6f0767b3484a3d (git) Affected: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 , < c383c7c35c7bc15e07a04eefa060a8a80cbeae29 (git) Affected: 6ddbc4cf1f4d5a3a58b4223c80881f299dae3774 , < de5dc44370fbd6b46bd7f1a1e00369be54a041c8 (git) |
guessed | |
| Linux | Linux |
Affected:
4.0
Unaffected: 0 , < 4.0 (semver) Unaffected: 4.14.303 , ≤ 4.14.* (semver) Unaffected: 4.19.270 , ≤ 4.19.* (semver) Unaffected: 5.4.229 , ≤ 5.4.* (semver) Unaffected: 5.10.161 , ≤ 5.10.* (semver) Unaffected: 5.15.85 , ≤ 5.15.* (semver) Unaffected: 6.0.15 , ≤ 6.0.* (semver) Unaffected: 6.1.1 , ≤ 6.1.* (semver) Unaffected: 6.2 , ≤ * (original_commit_for_fix) |
guessed |
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Sin embargo, la memoria se asigna desde la pila, lo que significa que la informaci\u00f3n puede filtrarse a la VM. Inicialice el b\u00fafer de mensajes a 0 para que no se pase informaci\u00f3n a la VM en este 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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2025-11-21T14:23:18+00:00",
"cve": "CVE-2022-48949",
"id": "CVE-2022-48949",
"initial_release_date": "2022-01-01T00:00:00+00:00",
"product_status:known_affected": "28",
"product_status:known_not_affected": "170",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: igb: Initialize mailbox message for VF reset",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-48949.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-11T02:32:14Z",
"cve": "CVE-2022-48949",
"id": "CVE-2022-48949",
"initial_release_date": "2024-10-22T14:23:27Z",
"product_status:known_affected": "486",
"product_status:known_not_affected": "92",
"product_status:recommended": "434",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2022-48949",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-48949.json",
"version": "53"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-48949\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:21:53.220754Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:21:56.291Z\"}}], \"cna\": {\"title\": \"igb: Initialize mailbox message for VF reset\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6ddbc4cf1f4d5a3a58b4223c80881f299dae3774\", \"lessThan\": \"a6629659af3f5c6a91e3914ea62554c975ab77f4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6ddbc4cf1f4d5a3a58b4223c80881f299dae3774\", \"lessThan\": \"ef1d739dd1f362aec081278ff92f943c31eb177a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6ddbc4cf1f4d5a3a58b4223c80881f299dae3774\", \"lessThan\": \"c581439a977545d61849a72e8ed631cfc8a2a3c1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6ddbc4cf1f4d5a3a58b4223c80881f299dae3774\", \"lessThan\": \"f2479c3daaabccbac6c343a737615d0c595c6dc4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6ddbc4cf1f4d5a3a58b4223c80881f299dae3774\", \"lessThan\": \"367e1e3399dbc56fc669740c4ab60e35da632b0e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6ddbc4cf1f4d5a3a58b4223c80881f299dae3774\", \"lessThan\": \"51fd5ede7ed42f272682a0c33d6f0767b3484a3d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6ddbc4cf1f4d5a3a58b4223c80881f299dae3774\", \"lessThan\": \"c383c7c35c7bc15e07a04eefa060a8a80cbeae29\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6ddbc4cf1f4d5a3a58b4223c80881f299dae3774\", \"lessThan\": \"de5dc44370fbd6b46bd7f1a1e00369be54a041c8\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/intel/igb/igb_main.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.0\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.0\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.14.303\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.270\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.229\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.161\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.85\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.15\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/intel/igb/igb_main.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/a6629659af3f5c6a91e3914ea62554c975ab77f4\"}, {\"url\": \"https://git.kernel.org/stable/c/ef1d739dd1f362aec081278ff92f943c31eb177a\"}, {\"url\": \"https://git.kernel.org/stable/c/c581439a977545d61849a72e8ed631cfc8a2a3c1\"}, {\"url\": \"https://git.kernel.org/stable/c/f2479c3daaabccbac6c343a737615d0c595c6dc4\"}, {\"url\": \"https://git.kernel.org/stable/c/367e1e3399dbc56fc669740c4ab60e35da632b0e\"}, {\"url\": \"https://git.kernel.org/stable/c/51fd5ede7ed42f272682a0c33d6f0767b3484a3d\"}, {\"url\": \"https://git.kernel.org/stable/c/c383c7c35c7bc15e07a04eefa060a8a80cbeae29\"}, {\"url\": \"https://git.kernel.org/stable/c/de5dc44370fbd6b46bd7f1a1e00369be54a041c8\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nigb: Initialize mailbox message for VF reset\\n\\nWhen a MAC address is not assigned to the VF, that portion of the message\\nsent to the VF is not set. The memory, however, is allocated from the\\nstack meaning that information may be leaked to the VM. Initialize the\\nmessage buffer to 0 so that no information is passed to the VM in this\\ncase.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.303\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.270\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.229\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.161\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.85\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.15\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.1\", \"versionStartIncluding\": \"4.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.2\", \"versionStartIncluding\": \"4.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:26:44.707Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2022-48949\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:26:44.707Z\", \"dateReserved\": \"2024-08-22T01:27:53.625Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T20:05:37.782Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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.
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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.
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.
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