CVE-2026-72484: Linux kernel · staging: most: video: avoid double free on video register failure
Affects Linux kernelSource GCVE Database
Not known to be exploited · fixed in 5.15.0-1117.124~20.04.1 : 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 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 5.15.0-1117.124~20.04.1, 5.15.0-1123.132~20.04.1, 5.15.0-1122.131~20.04.1 +41
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 and should be applied to affected linux-azure kernel versions to resolve the double free issue. The vendor advisory confirms the fix is included in updated kernel releases. Users should update to the fixed versions listed by their distribution or vendor. No additional mitigation steps are required beyond applying the official patch.
Description
A double free vulnerability was identified and resolved in the Linux kernel's staging most video subsystem related to video device registration failure. The flaw occurs when the video_device allocated by comp_register_videodev() is freed twice if video_register_device() fails, potentially leading to memory corruption. The fix involves using video_device_release_empty() during device registration failure paths to ensure the video_device is released exactly once. This vulnerability affects specific linux-azure kernel versions and has been patched. No known exploits are reported in the wild.
References
- nvd.nist.gov/vuln/detail/CVE-2026-72484 (opens in a new tab)
- git.kernel.org/stable/c/009d58b73500d0b49f6ae3833f8afcb0ebd9ddbb (opens in a new tab)
- git.kernel.org/stable/c/43078449ad6236d839e4d707954d2e36b10a6706 (opens in a new tab)
- git.kernel.org/stable/c/430ad4ea06a0767fb44a08e2212ceb3a996607ee (opens in a new tab)
- git.kernel.org/stable/c/46ea51f5b2ee1a3b40c05b7c750cbc5cabe94062 (opens in a new tab)
- git.kernel.org/stable/c/4928096212b78262dbbeab3b3abf2352278ce22d (opens in a new tab)
- git.kernel.org/stable/c/7cb1c5b32a2bfde961fff8d5204526b609bcb30a (opens in a new tab)
- git.kernel.org/stable/c/7fc162453cfb7b8e93edb16287a84ba0130cac38 (opens in a new tab)
- git.kernel.org/stable/c/80ed79787da3311f76b4d71d0ce7ab992a9e134d (opens in a new tab)
- ubuntu.com/security/CVE-2026-72484 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-72484 (opens in a new tab)
- git.kernel.org/linus/7cb1c5b32a2bfde961fff8d5204526b609bcb30a (opens in a new tab)
- ubuntu.com/security/notices/USN-8876-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8878-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8879-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8877-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8875-1 (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)