SB20240531516 - NULL pointer dereference in Linux kernel dc link driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531516
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 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-26647)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the link_set_dsc_pps_packet() function in drivers/gpu/drm/amd/display/dc/link/link_dpms.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6aa5ede6665122f4c8abce3c6eba06b49e54d25c
- https://git.kernel.org/stable/c/cf656fc7276e5b3709a81bc9d9639459be2b2647
- https://git.kernel.org/stable/c/3bb9b1f958c3d986ed90a3ff009f1e77e9553207
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8