CVE-2024-46809: Linux kernel · drm/amd/display: Check BIOS images before it is used BIOS images may fail to load and
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium · fixed in 5.15.0-1080.87~20.04.1 : update Linux kernel when convenient.
Data as of 26 Oct 2026, 23:58 UTC
- Patch
- Available – fixed in 5.15.0-1080.87~20.04.1, 5.15.0-1086.95~20.04.1, 5.15.0-1081.90~20.04.1 +51
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Sep 2024
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-7154-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7155-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7156-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7154-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7196-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7388-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7389-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7390-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7407-1 (opens in a new tab)
Affected software
| Product | 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-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-gkeoppkg:deb/ubuntu/linux-gkeop?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
A patch is available and should be applied to affected Linux kernel versions. The fixed versions include 5.15.0-1080.87~20.04.1 and later releases as listed. Users running affected versions of the linux-azure kernel should upgrade to these patched versions to mitigate the vulnerability. No additional mitigation actions are indicated by the vendor advisory.
Description
CVE-2024-46809 is a vulnerability in the Linux kernel's AMD display driver subsystem where BIOS images were not properly checked before use, leading to potential null pointer dereferences. This issue was identified and fixed by adding null checks to prevent failures when loading BIOS images. The flaw was reported as six NULL_RETURNS issues by Coverity and affects various Linux kernel versions, particularly in the linux-azure package. The vulnerability has a medium severity rating with a CVSS score of 5.5 and does not impact confidentiality or integrity but can cause availability issues. Official patches have been released to address this problem.
References
- ubuntu.com/security/CVE-2024-46809 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2024-46809 (opens in a new tab)
- git.kernel.org/linus/8b0ddf19cca2a352b2a7e01d99d3ba949a99c84c (opens in a new tab)
- git.kernel.org/stable/c/e50bec62acaeec03afc6fa5dfb2426e52d049cf5 (opens in a new tab)
- git.kernel.org/stable/c/e46b70a7cfed71cb84e985c785c39c16df5c28cb (opens in a new tab)
- git.kernel.org/stable/c/8b0ddf19cca2a352b2a7e01d99d3ba949a99c84c (opens in a new tab)
- ubuntu.com/security/notices/USN-7154-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7155-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7156-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7154-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7196-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7388-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7389-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7390-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7407-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7421-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7458-1 (opens in a new tab)