SB20250226405 - NULL pointer dereference in Linux kernel disp mdp5 driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226405
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-2022-49490)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mdp5_plane_atomic_check_with_state() function in drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c, within the mdp5_pipe_assign() and mdp5_pipe_release() functions in drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.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/04bef5f1ba8ea6d7c1c8f5f65e0395c62db59cb8
- https://git.kernel.org/stable/c/19964dfb39bda4d7716a71009488f0668ecbcf52
- https://git.kernel.org/stable/c/33dc5aac46e0fad8f5eb193e5906ed0eb6b66ceb
- https://git.kernel.org/stable/c/49dc28b4b2e28ef7564e355c91487996c1cbebd7
- https://git.kernel.org/stable/c/776f5c58bfe16cf322d71eeed3c5dda1eeac7e6b
- https://git.kernel.org/stable/c/b2aa2c4efe93e2580d6a8774b04fe2b99756a322
- https://git.kernel.org/stable/c/d59be579fa932c46b908f37509f319cbd4ca9a68
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.247
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198