SB20250226465 - NULL pointer dereference in Linux kernel msm dp driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226465
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-2022-49221)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the msm_dp_modeset_init() function in drivers/gpu/drm/msm/dp/dp_display.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/104074ebc0c3f358dd1ee944fbcde92c6e5a21dd
- https://git.kernel.org/stable/c/413c62697b61226a236c8b1f5cd64dcf42bcc12f
- https://git.kernel.org/stable/c/5e602f5156910c7b19661699896cb6e3fb94fab9
- https://git.kernel.org/stable/c/9525b8bcae8b99188990b56484799cf4b1b43786
- https://git.kernel.org/stable/c/fbba600f432a360b42452fee79d1fb35d3aa8aeb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19