SB20260812288 - Reachable assertion in Linux kernel amd amdgpu driver
Published: August 12, 2026
Security Bulletin ID
SB20260812288
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Reachable assertion (CVE-ID: CVE-2026-68250)
CWE-ID: CWE-617 - Reachable Assertion
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper handling of a BUG_ON assertion in sdma_v5_2_ring_emit_fence() in the amdgpu sdma_v5_2 component when processing a crafted fence address. A local user can trigger the BUG_ON condition to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/01dfea84df919cfbec4064151d327480ae5c120d
- https://git.kernel.org/stable/c/09da54636bac146c1a3c461c4e7eb08d355bb86e
- https://git.kernel.org/stable/c/2051bbbfbd44ff51637b01a5a3dbee6630f90d57
- https://git.kernel.org/stable/c/b665c1845488c6cd869da3d31b5978015977f898
- https://git.kernel.org/stable/c/b9dd618a635d39fbb211454b6e8837b2a7f10fb0