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vuln-cve/data/2022/49xxx/CVE-2022-49637.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2022-49637",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-02-26T02:21:30.429Z",
"datePublished": "2025-02-26T02:23:46.711Z",
"dateUpdated": "2026-05-11T19:03:47.274Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:03:47.274Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: Fix a data-race around sysctl_fib_sync_mem.\n\nWhile reading sysctl_fib_sync_mem, it can be changed concurrently.\nSo, we need to add READ_ONCE() to avoid a data-race."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/ipv4/fib_trie.c"
],
"versions": [
{
"version": "9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f",
"lessThan": "7c1acd98fb221dc0d847451b9ab86319f8b9916c",
"status": "affected",
"versionType": "git"
},
{
"version": "9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f",
"lessThan": "418b191d5f223a8cb6cab09eae1f72c04ba6adf2",
"status": "affected",
"versionType": "git"
},
{
"version": "9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f",
"lessThan": "9be8aac91960ea32fd0e874758c9afee665c57d2",
"status": "affected",
"versionType": "git"
},
{
"version": "9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f",
"lessThan": "190cd4ff128373271e065afb20f1d2247b3f10c3",
"status": "affected",
"versionType": "git"
},
{
"version": "9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f",
"lessThan": "73318c4b7dbd0e781aaababff17376b2894745c0",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/ipv4/fib_trie.c"
],
"versions": [
{
"version": "5.2",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.2",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.207",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.132",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.56",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.18.13",
"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": "5.2",
"versionEndExcluding": "5.4.207"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.2",
"versionEndExcluding": "5.10.132"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.2",
"versionEndExcluding": "5.15.56"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.2",
"versionEndExcluding": "5.18.13"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.2",
"versionEndExcluding": "5.19"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c"
},
{
"url": "https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2"
},
{
"url": "https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2"
},
{
"url": "https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3"
},
{
"url": "https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0"
}
],
"title": "ipv4: Fix a data-race around sysctl_fib_sync_mem.",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.7,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
}
},
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2022-49637",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-10-01T19:34:12.055068Z"
}
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"cweId": "CWE-362",
"description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"
}
]
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-10-01T19:36:49.530Z"
}
}
]
}
}