#VU90611 NULL pointer dereference in Linux kernel - CVE-2024-26662
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90611
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2024-26662
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dcn21_set_backlight_level() function in drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d
- https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5
- https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8