CVE-2026-99095: Linux kernel · drm/vc4: drain the hangcheck timer and works on V3D unbind
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in e61465d3e0292daebf4dbb34e0add635e2439569 : update Linux kernel when convenient.
Data as of 26 Oct 2026, 16:53 UTC
Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD
- Patch
- Available – fixed in e61465d3e0292daebf4dbb34e0add635e2439569, ade226dfd28cf2fd1dce143c556d1ee77d953696, a046cd60ff3f4a8c8e672b3b18902682c1f91731 +2
Exploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in– |
AI-suggested
A fix is available and has been applied in the Linux kernel commits identified by the fixedVersions hashes. Users should update to a kernel version including these fixes to remediate the issue.
Description
A vulnerability in the Linux kernel's drm/vc4 driver was fixed by properly draining the hangcheck timer and related work on V3D unbind. The flaw allowed timer callbacks to access freed memory due to the timer not being stopped before the device was unbound and freed.
References
- git.kernel.org/stable/c/17c5fa371de2d5508755cd4cd227cc8e2bb99240 (opens in a new tab)
- git.kernel.org/stable/c/a046cd60ff3f4a8c8e672b3b18902682c1f91731 (opens in a new tab)
- git.kernel.org/stable/c/e61465d3e0292daebf4dbb34e0add635e2439569 (opens in a new tab)
- git.kernel.org/stable/c/ade226dfd28cf2fd1dce143c556d1ee77d953696 (opens in a new tab)
- git.kernel.org/stable/c/94cf5971b1d04c6382437387c4dc3836cc7a1437 (opens in a new tab)