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vuln-cve/data/2026/68xxx/CVE-2026-68233.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-68233",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-07-30T09:28:09.376Z",
"datePublished": "2026-08-10T12:00:57.580Z",
"dateUpdated": "2026-10-30T12:28:09.594Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:28:09.594Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Shut down BO cache timer before teardown\n\nThe BO cache timer callback schedules time_work, and time_work can rearm\nthe timer through vc4_bo_cache_free_old().\n\nvc4_bo_cache_destroy() deletes the timer and then cancels the work, which\ndoes not break that cycle: the work being cancelled can rearm the timer,\nand the timer then queues work again after teardown.\n\nUse timer_shutdown_sync() instead, so the timer cannot be rearmed and the\ncycle ends with cancel_work_sync()."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/gpu/drm/vc4/vc4_bo.c"
],
"versions": [
{
"version": "c826a6e1064419f78855463cf29ce9e8b9d25bf4",
"lessThan": "948cd4876dafbfab826384516df19fe813d9f1d1",
"status": "affected",
"versionType": "git"
},
{
"version": "c826a6e1064419f78855463cf29ce9e8b9d25bf4",
"lessThan": "cf55c6f1b62a89bf365c48bf731ccf69340e3a16",
"status": "affected",
"versionType": "git"
},
{
"version": "c826a6e1064419f78855463cf29ce9e8b9d25bf4",
"lessThan": "e9264ee59bd94970b80b7548f693bccf0d4628da",
"status": "affected",
"versionType": "git"
},
{
"version": "c826a6e1064419f78855463cf29ce9e8b9d25bf4",
"lessThan": "a38f2724eb93a78ba250b01e0caf3468df4d3956",
"status": "affected",
"versionType": "git"
},
{
"version": "c826a6e1064419f78855463cf29ce9e8b9d25bf4",
"lessThan": "bac4c1a9af690b8635c6924872075c41d8763ed9",
"status": "affected",
"versionType": "git"
},
{
"version": "c826a6e1064419f78855463cf29ce9e8b9d25bf4",
"lessThan": "6273dd3ffb54ec581855b82ae77331b66028249c",
"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/gpu/drm/vc4/vc4_bo.c"
],
"versions": [
{
"version": "4.5",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.5",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.160",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.114",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.42",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.1.6",
"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": "4.5",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.5",
"versionEndExcluding": "6.6.160"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.5",
"versionEndExcluding": "6.12.114"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.5",
"versionEndExcluding": "6.18.42"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.5",
"versionEndExcluding": "7.1.6"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.5",
"versionEndExcluding": "7.2"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/948cd4876dafbfab826384516df19fe813d9f1d1"
},
{
"url": "https://git.kernel.org/stable/c/cf55c6f1b62a89bf365c48bf731ccf69340e3a16"
},
{
"url": "https://git.kernel.org/stable/c/e9264ee59bd94970b80b7548f693bccf0d4628da"
},
{
"url": "https://git.kernel.org/stable/c/a38f2724eb93a78ba250b01e0caf3468df4d3956"
},
{
"url": "https://git.kernel.org/stable/c/bac4c1a9af690b8635c6924872075c41d8763ed9"
},
{
"url": "https://git.kernel.org/stable/c/6273dd3ffb54ec581855b82ae77331b66028249c"
}
],
"title": "drm/vc4: Shut down BO cache timer before teardown",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}