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vuln-cve/data/2022/49xxx/CVE-2022-49731.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2022-49731",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-02-26T02:21:30.449Z",
"datePublished": "2025-02-26T02:24:41.300Z",
"dateUpdated": "2026-05-11T19:05:44.324Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:05:44.324Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()\n\nIn an unlikely (and probably wrong?) case that the 'ppi' parameter of\nata_host_alloc_pinfo() points to an array starting with a NULL pointer,\nthere's going to be a kernel oops as the 'pi' local variable won't get\nreassigned from the initial value of NULL. Initialize 'pi' instead to\n'&ata_dummy_port_info' to fix the possible kernel oops for good...\n\nFound by Linux Verification Center (linuxtesting.org) with the SVACE static\nanalysis tool."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/ata/libata-core.c"
],
"versions": [
{
"version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
"lessThan": "ca4693e6e06e4fd2b240c0fec47aa2498c94848e",
"status": "affected",
"versionType": "git"
},
{
"version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
"lessThan": "1ac5efee33f29e704226506d429b84575a5d66f8",
"status": "affected",
"versionType": "git"
},
{
"version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
"lessThan": "a810bd5af06977a847d1f202b22d7defd5c62497",
"status": "affected",
"versionType": "git"
},
{
"version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
"lessThan": "253334f84c81bc6a43af489f108c0bddad989eef",
"status": "affected",
"versionType": "git"
},
{
"version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
"lessThan": "36cd19e7d4e5571d77a2ed20c5b6ef50cf57734a",
"status": "affected",
"versionType": "git"
},
{
"version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
"lessThan": "ff128fbea720bf763fa345680dda5f050bc24a47",
"status": "affected",
"versionType": "git"
},
{
"version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
"lessThan": "07cbdb4807d369fbda73062a91b570c4dc5ec429",
"status": "affected",
"versionType": "git"
},
{
"version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
"lessThan": "bf476fe22aa1851bab4728e0c49025a6a0bea307",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/ata/libata-core.c"
],
"versions": [
{
"version": "2.6.22",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.22",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.9.320",
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.285",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.249",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.200",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.124",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.49",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.18.6",
"lessThanOrEqual": "5.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.19",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "4.9.320"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "4.14.285"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "4.19.249"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "5.4.200"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "5.10.124"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "5.15.49"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "5.18.6"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.22",
"versionEndExcluding": "5.19"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/ca4693e6e06e4fd2b240c0fec47aa2498c94848e"
},
{
"url": "https://git.kernel.org/stable/c/1ac5efee33f29e704226506d429b84575a5d66f8"
},
{
"url": "https://git.kernel.org/stable/c/a810bd5af06977a847d1f202b22d7defd5c62497"
},
{
"url": "https://git.kernel.org/stable/c/253334f84c81bc6a43af489f108c0bddad989eef"
},
{
"url": "https://git.kernel.org/stable/c/36cd19e7d4e5571d77a2ed20c5b6ef50cf57734a"
},
{
"url": "https://git.kernel.org/stable/c/ff128fbea720bf763fa345680dda5f050bc24a47"
},
{
"url": "https://git.kernel.org/stable/c/07cbdb4807d369fbda73062a91b570c4dc5ec429"
},
{
"url": "https://git.kernel.org/stable/c/bf476fe22aa1851bab4728e0c49025a6a0bea307"
}
],
"title": "ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
}
},
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2022-49731",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-10-01T19:31:53.132246Z"
}
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference"
}
]
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-10-01T19:36:43.656Z"
}
}
]
}
}