SB20260812436 - Reachable assertion in Linux kernel amd amdgpu driver
Published: August 12, 2026
Security Bulletin ID
SB20260812436
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-2026-68110)
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 reachable assertion in sdma_v4_4_2_ring_emit_fence() in the amdgpu SDMA 4.4.2 driver when emitting fence commands. A local user can trigger the assertion condition to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/256d6f4803a93df96579c1ffdcb56518b9304f76
- https://git.kernel.org/stable/c/40cdbe9fa424cc6264a7aed93a04bd7d69109d9e
- https://git.kernel.org/stable/c/ca50e541191fab519ed628182e1472e21d60e2ce
- https://git.kernel.org/stable/c/cbe3b293d0ee926e595f53513d7c027d1c3e5be5
- https://git.kernel.org/stable/c/dc3f5da1ba8e280d31676ce15b937e4302235b03