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vuln-cve/data/2026/74xxx/CVE-2026-74291.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-74291",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-08-15T05:44:03.881Z",
"datePublished": "2026-08-15T05:57:57.631Z",
"dateUpdated": "2026-10-30T12:29:38.001Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:29:38.001Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: topology: Check PCM and DAI name strings before use\n\nTopology objects store several PCM and DAI names in fixed-size UAPI\narrays. Other topology parser paths validate these fields with bounded\nstrnlen() checks before using them as C strings, but the PCM and DAI\npaths still pass some fixed-size arrays directly to strlen(),\ndevm_kstrdup(), DAI lookup, and diagnostic prints.\n\nA malformed topology blob with a non-NUL-terminated PCM, DAI, or stream\ncapability name can therefore make the parser read past the end of the\nfixed-size field.\n\nReject unterminated PCM and DAI name fields before consuming them as C\nstrings."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"sound/soc/soc-topology.c"
],
"versions": [
{
"version": "64527e8a352968bda529f01df1c9dd5fe581ff04",
"lessThan": "d09dad8dff862c4b5aac48b1223e512074ffeb08",
"status": "affected",
"versionType": "git"
},
{
"version": "64527e8a352968bda529f01df1c9dd5fe581ff04",
"lessThan": "c405b07246bf179e9457de57501c3470175b165e",
"status": "affected",
"versionType": "git"
},
{
"version": "64527e8a352968bda529f01df1c9dd5fe581ff04",
"lessThan": "473f7d25d93e80db526a9d05887f0071abdc6d9b",
"status": "affected",
"versionType": "git"
},
{
"version": "64527e8a352968bda529f01df1c9dd5fe581ff04",
"lessThan": "5c2537cf24d673956b4e58029001667f89586fa2",
"status": "affected",
"versionType": "git"
},
{
"version": "64527e8a352968bda529f01df1c9dd5fe581ff04",
"lessThan": "ba37b62ed0a443b8e23f53a7477e7f2537fd34c7",
"status": "affected",
"versionType": "git"
},
{
"version": "64527e8a352968bda529f01df1c9dd5fe581ff04",
"lessThan": "b7e44d1986d6671342c19b82192189ca5db5dab7",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"sound/soc/soc-topology.c"
],
"versions": [
{
"version": "4.6",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.6",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.158",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.111",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.53",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.1.5",
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2",
"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": "4.6",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.6",
"versionEndExcluding": "6.6.158"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.6",
"versionEndExcluding": "6.12.111"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.6",
"versionEndExcluding": "6.18.53"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.6",
"versionEndExcluding": "7.1.5"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.6",
"versionEndExcluding": "7.2"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/d09dad8dff862c4b5aac48b1223e512074ffeb08"
},
{
"url": "https://git.kernel.org/stable/c/c405b07246bf179e9457de57501c3470175b165e"
},
{
"url": "https://git.kernel.org/stable/c/473f7d25d93e80db526a9d05887f0071abdc6d9b"
},
{
"url": "https://git.kernel.org/stable/c/5c2537cf24d673956b4e58029001667f89586fa2"
},
{
"url": "https://git.kernel.org/stable/c/ba37b62ed0a443b8e23f53a7477e7f2537fd34c7"
},
{
"url": "https://git.kernel.org/stable/c/b7e44d1986d6671342c19b82192189ca5db5dab7"
}
],
"title": "ASoC: topology: Check PCM and DAI name strings before use",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}