SB2024071770 - Improper locking in Linux kernel drm vc4 driver
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071770
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-2022-48826)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the vc4_dsi_host_attach() and vc4_dsi_dev_remove() functions in drivers/gpu/drm/vc4/vc4_dsi.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/770d1ba9a8201ce9bee0946eb03746449b6f3b80
- https://git.kernel.org/stable/c/dddd832f35096fbc5004e3a7e58fb4d2cefb8deb
- https://git.kernel.org/stable/c/0a3d12ab5097b1d045e693412e6b366b7e82031b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17