CVE-2026-23468: drm/amdgpu: Limit BO list entry count to prevent resource exhaustion
drm/amdgpu: Limit BO list entry count to prevent resource exhaustion
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.141.1-1 - Configuration
Introduce a hard limit of 128k entries per BO list in the drm/amdgpu BO list handling, and make the code return -EINVAL if the requested entry count exceeds the limit (via the bo_number field) to prevent memory/resource exhaustion.
Linux kernel (drm/amdgpu) BO list entry count limit (128k) = 128k entries maximum; return -EINVAL when bo_number exceeds 128k
Event History
Frequently Asked Questions
What is the severity of CVE-2026-23468?
CVE-2026-23468 has a medium severity rating of 5.5 based on the CVSS 3.1 scoring.
How do I fix CVE-2026-23468?
To mitigate CVE-2026-23468, users should update their Linux kernel and the associated drm/amdgpu driver to the patched versions.
What type of vulnerability is CVE-2026-23468?
CVE-2026-23468 is a resource exhaustion vulnerability that can be exploited through the bo_number field.
Which systems are affected by CVE-2026-23468?
CVE-2026-23468 affects systems running the Linux kernel and the drm/amdgpu module.
What impact does CVE-2026-23468 have on users?
The impact of CVE-2026-23468 could lead to a denial of service due to resource exhaustion.