CVE-2024-26662
Severity CVSS v4.0:
Pending analysis
Type:
CWE-476
NULL Pointer Dereference
Publication date:
02/04/2024
Last modified:
08/04/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
drm/amd/display: Fix &#39;panel_cntl&#39; could be null in &#39;dcn21_set_backlight_level()&#39;<br />
<br />
&#39;panel_cntl&#39; structure used to control the display panel could be null,<br />
dereferencing it could lead to a null pointer access.<br />
<br />
Fixes the below:<br />
drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn21/dcn21_hwseq.c:269 dcn21_set_backlight_level() error: we previously assumed &#39;panel_cntl&#39; could be null (see line 250)
Impact
Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.9 (including) | 6.6.17 (excluding) |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.7 (including) | 6.7.5 (excluding) |
| cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5
- https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d
- https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b
- https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5
- https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d
- https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b



