SB20240608163 - Improper locking in Linux kernel drm gma500 driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608163
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) Improper locking (CVE-ID: CVE-2022-48634)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the gma_crtc_page_flip() function in drivers/gpu/drm/gma500/gma_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/c5812807e416618477d1bb0049727ce8bb8292fd
- https://git.kernel.org/stable/c/e5ae504c8623476e13032670f1a6d6344d53ec9b
- https://git.kernel.org/stable/c/a6ed7624bf4d0a32f2631e74828bca7b7bf15afd
- https://git.kernel.org/stable/c/63e37a79f7bd939314997e29c2f5a9f0ef184281
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0