SB2025011797 - Improper locking in Linux kernel drm display driver
Published: January 17, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025011797
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-2024-57876)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the drm_dp_mst_topology_mgr_set_mst(), EXPORT_SYMBOL(), update_msg_rx_state() and drm_dp_mst_hpd_irq_handle_event() functions in drivers/gpu/drm/display/drm_dp_mst_topology.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/94b33b2d7640e807869451384eb88321dd0ffbd4
- https://git.kernel.org/stable/c/a6fa67d26de385c3c7a23c1e109a0e23bfda4ec7
- https://git.kernel.org/stable/c/be826b4451fd187a7c0b04be4f8243d5df6e0450
- https://git.kernel.org/stable/c/d834d20d2e86c52ed5cab41763fa61e6071680ef
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.66