CVE-2025-38226: Linux kernel · media: vivid: Change the siize of the composing
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 7.8 High · fixed in 5.15.0-1092.99~20.04.1 : patch Linux kernel soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 5.15.0-1092.99~20.04.1, 5.15.0-1096.105~20.04.1, 5.15.0-1092.101~20.04.1 +63
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Jul 2025
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.
Patches and advisories
- ubuntu.com/security/notices/USN-7774-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7775-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7776-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7775-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7775-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-5 (opens in a new tab)
- ubuntu.com/security/notices/USN-7833-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7834-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7833-2 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 25.10linux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-aws-6.14pkg:deb/ubuntu/linux-aws-6.14?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azure-6.11pkg:deb/ubuntu/linux-azure-6.11?arch=source&distro=nobleOther 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
An official patch is available and has been released by Ubuntu as part of their Linux kernel security updates (USN-7774-1 and USN-7774-2). Users should apply the latest kernel updates for their distribution and reboot the system to activate the fixes. Due to ABI changes in the kernel updates, recompilation and reinstallation of any third-party kernel modules are required. Follow the vendor advisory instructions for updating to the specified patched kernel versions.
Description
A high severity vulnerability (CVE-2025-38226) in the Linux kernel's media subsystem (vivid driver) was identified and resolved. The issue involves a kernel memory out-of-bounds write detected by KASAN in the tpg_fill_plane_pattern and tpg_fill_plane_buffer functions. This vulnerability affects numerous specific Linux Azure kernel versions. A patch is available and included in recent Linux kernel updates distributed by Ubuntu. Users are advised to update and reboot to apply the fixes. The update may require recompilation of third-party kernel modules due to ABI changes.
References
- ubuntu.com/security/CVE-2025-38226 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2025-38226 (opens in a new tab)
- git.kernel.org/linus/f83ac8d30c43fd902af7c84c480f216157b60ef0 (opens in a new tab)
- git.kernel.org/stable/c/00da1c767a6567e56f23dda586847586868ac064 (opens in a new tab)
- git.kernel.org/stable/c/5d89aa42534723400fefd46e26e053b9c382b4ee (opens in a new tab)
- git.kernel.org/stable/c/635cea4f44c1ddae208666772c164eab5a6bce39 (opens in a new tab)
- git.kernel.org/stable/c/89b5ab822bf69867c3951dd0eb34b0314c38966b (opens in a new tab)
- git.kernel.org/stable/c/c56398885716d97ee9bcadb2bc9663a8c1757a34 (opens in a new tab)
- git.kernel.org/stable/c/f6b1b0f8ba0b61d8b511df5649d57235f230c135 (opens in a new tab)
- git.kernel.org/stable/c/f83ac8d30c43fd902af7c84c480f216157b60ef0 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7775-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7776-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7775-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7775-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-7774-5 (opens in a new tab)
- ubuntu.com/security/notices/USN-7833-1 (opens in a new tab)