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vuln-cve/data/2025/21xxx/CVE-2025-21904.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-21904",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-12-29T08:45:45.785Z",
"datePublished": "2025-04-01T15:40:45.881Z",
"dateUpdated": "2026-05-11T21:08:46.568Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T21:08:46.568Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncaif_virtio: fix wrong pointer check in cfv_probe()\n\ndel_vqs() frees virtqueues, therefore cfv->vq_tx pointer should be checked\nfor NULL before calling it, not cfv->vdev. Also the current implementation\nis redundant because the pointer cfv->vdev is dereferenced before it is\nchecked for NULL.\n\nFix this by checking cfv->vq_tx for NULL instead of cfv->vdev before\ncalling del_vqs()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/caif/caif_virtio.c"
],
"versions": [
{
"version": "0d2e1a2926b1839a4b74519e660739b2566c9386",
"lessThan": "990fff6980d0c1693d60a812f58dbf93eab0473f",
"status": "affected",
"versionType": "git"
},
{
"version": "0d2e1a2926b1839a4b74519e660739b2566c9386",
"lessThan": "7b5fe58959822e6cfa884327cabba6be3b01883d",
"status": "affected",
"versionType": "git"
},
{
"version": "0d2e1a2926b1839a4b74519e660739b2566c9386",
"lessThan": "8e4e08ca4cc634b337bb74bc9a70758fdeda0bcb",
"status": "affected",
"versionType": "git"
},
{
"version": "0d2e1a2926b1839a4b74519e660739b2566c9386",
"lessThan": "29e0cd296c87240278e2f7ea4cf3f496b60c03af",
"status": "affected",
"versionType": "git"
},
{
"version": "0d2e1a2926b1839a4b74519e660739b2566c9386",
"lessThan": "90d302619ee7ce5ed0c69c29c290bdccfde66418",
"status": "affected",
"versionType": "git"
},
{
"version": "0d2e1a2926b1839a4b74519e660739b2566c9386",
"lessThan": "56cddf71cce3b15b078e937fadab29962b6f6643",
"status": "affected",
"versionType": "git"
},
{
"version": "0d2e1a2926b1839a4b74519e660739b2566c9386",
"lessThan": "597c27e5f04cb50e56cc9aeda75d3e42b6b89c3e",
"status": "affected",
"versionType": "git"
},
{
"version": "0d2e1a2926b1839a4b74519e660739b2566c9386",
"lessThan": "a466fd7e9fafd975949e5945e2f70c33a94b1a70",
"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/net/caif/caif_virtio.c"
],
"versions": [
{
"version": "3.10",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.10",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.291",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.235",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.179",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.131",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.83",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.19",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.13.7",
"lessThanOrEqual": "6.13.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.14",
"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": "3.10",
"versionEndExcluding": "5.4.291"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.10",
"versionEndExcluding": "5.10.235"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.10",
"versionEndExcluding": "5.15.179"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.10",
"versionEndExcluding": "6.1.131"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.10",
"versionEndExcluding": "6.6.83"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.10",
"versionEndExcluding": "6.12.19"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.10",
"versionEndExcluding": "6.13.7"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.10",
"versionEndExcluding": "6.14"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/990fff6980d0c1693d60a812f58dbf93eab0473f"
},
{
"url": "https://git.kernel.org/stable/c/7b5fe58959822e6cfa884327cabba6be3b01883d"
},
{
"url": "https://git.kernel.org/stable/c/8e4e08ca4cc634b337bb74bc9a70758fdeda0bcb"
},
{
"url": "https://git.kernel.org/stable/c/29e0cd296c87240278e2f7ea4cf3f496b60c03af"
},
{
"url": "https://git.kernel.org/stable/c/90d302619ee7ce5ed0c69c29c290bdccfde66418"
},
{
"url": "https://git.kernel.org/stable/c/56cddf71cce3b15b078e937fadab29962b6f6643"
},
{
"url": "https://git.kernel.org/stable/c/597c27e5f04cb50e56cc9aeda75d3e42b6b89c3e"
},
{
"url": "https://git.kernel.org/stable/c/a466fd7e9fafd975949e5945e2f70c33a94b1a70"
}
],
"title": "caif_virtio: fix wrong pointer check in cfv_probe()",
"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-2025-21904",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-10-01T19:24:28.456354Z"
}
}
}
],
"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": "2025-10-01T19:26:35.007Z"
}
},
{
"title": "CVE Program Container",
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2025-11-03T19:38:48.685Z"
}
}
]
}
}