CVE-2026-74437: Linux kernel · media: uvcvideo: Fix deadlock if uvc_status_stop is called from async_ctrl.work
Affects Linux kernelSource GCVE Database
Not known to be exploited · fixed in 7.0.0-1014.14~24.04.1 : update Linux kernel when convenient.
Data as of 26 Oct 2026, 13:47 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 7.0.0-1014.14~24.04.1, 7.0.0-1017.17~24.04.1, 7.0.0-1016.16~24.04.1 +11
Exploitation evidence
Disclosed: evidence found.
CVE published 15 Aug 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 |
|---|---|---|
Ubuntu 26.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A patch is available that fixes the deadlock by modifying uvc_status_stop to return early if called from within the async_ctrl.work function. Users should apply the official Linux kernel updates that include this fix to affected versions.
Description
A deadlock vulnerability in the Linux kernel's uvcvideo driver was fixed. The issue occurs if uvc_status_stop is called from async_ctrl.work, causing cancel_work_sync to wait indefinitely and resulting in a deadlock. The fix prevents this by returning early from uvc_status_stop when called within the work function, ensuring proper handling of asynchronous control events.
References
- nvd.nist.gov/vuln/detail/CVE-2026-74437 (opens in a new tab)
- git.kernel.org/stable/c/3659deaf7bf690510899a73906b772740d94342c (opens in a new tab)
- git.kernel.org/stable/c/6d27f92c54ce28cfbd2a8a479a96d6f4a781b7d2 (opens in a new tab)
- git.kernel.org/stable/c/7f6c5fe1633272c926361b73d83dfc6ae01b1504 (opens in a new tab)
- ubuntu.com/security/CVE-2026-74437 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-74437 (opens in a new tab)
- git.kernel.org/linus/6d27f92c54ce28cfbd2a8a479a96d6f4a781b7d2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8888-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8889-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8887-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8888-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8887-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8887-3 (opens in a new tab)