NULL Pointer Dereference Affecting kernel-syms package, versions <6.4.0-150600.23.22.1
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Test your applications- Snyk ID SNYK-SLES156-KERNELSYMS-8081177
- published 24 Sep 2024
- disclosed 23 Sep 2024
Introduced: 23 Sep 2024
CVE-2024-43903 Open this link in a new tabHow to fix?
Upgrade SLES:15.6 kernel-syms to version 6.4.0-150600.23.22.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-syms package and not the kernel-syms package as distributed by SLES.
See How to fix? for SLES:15.6 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Add NULL check for 'afb' before dereferencing in amdgpu_dm_plane_handle_cursor_update
This commit adds a null check for the 'afb' variable in the amdgpu_dm_plane_handle_cursor_update function. Previously, 'afb' was assumed to be null, but was used later in the code without a null check. This could potentially lead to a null pointer dereference.
Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_plane.c:1298 amdgpu_dm_plane_handle_cursor_update() error: we previously assumed 'afb' could be null (see line 1252)
References
- https://www.suse.com/security/cve/CVE-2024-43903.html
- https://bugzilla.suse.com/1229781
- https://git.kernel.org/stable/c/31a679a880102dee6e10985a7b1789af8dc328cc
- https://git.kernel.org/stable/c/38e6f715b02b572f74677eb2f29d3b4bc6f1ddff
- https://git.kernel.org/stable/c/94220b35aeba2b68da81deeefbb784d94eeb5c04
- https://git.kernel.org/stable/c/ce5d090af683137cb779ed7e3683839f9c778b35