CVEvulnerability
CVE-2026-68256
- Status
- Received
- Published
- 2026-08-10
- Last modified
- 2026-08-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: detect_link_and_local_sink: DP alt mode timeout path leaks prev_sink reference
prev_sink is unconditionally retained via dc_sink_retain at function
entry, but the DP alt mode timeout path inside SIGNAL_TYPE_DISPLAY_PORT
returns false without releasing prev_sink. All other return paths in the
function correctly call dc_sink_release(prev_sink), making this the only
missing cleanup.
(cherry picked from commit 45510cf662dcf46b5d8926d454f338809f107b9d)
References
- https://git.kernel.org/stable/c/4ee77643e6194f2deb62fe62f04396f9825e27d8 git.kernel.org
- https://git.kernel.org/stable/c/58ea24dd96848626039296e9e8510270ec8dc4bf git.kernel.org
- https://git.kernel.org/stable/c/a59e493567d18ef3858be9368acd132a01ebfa09 git.kernel.org
- https://git.kernel.org/stable/c/a6e14b976be48eebd8769cb5b883a6af7fc5ade1 git.kernel.org
- https://git.kernel.org/stable/c/f9922828a4ebd26286fbe0286cc61695e7d9b07b git.kernel.org