SB2024082124 - Improper locking in Linux kernel drm vmwgfx driver
Published: August 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082124
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-2024-43863)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the vmw_fence_obj_destroy(), vmw_fence_obj_init() and vmw_fence_goal_new_locked() functions in drivers/gpu/drm/vmwgfx/vmwgfx_fence.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/9e20d028d8d1deb1e7fed18f22ffc01669cf3237
- https://git.kernel.org/stable/c/3b933b16c996af8adb6bc1b5748a63dfb41a82bc
- https://git.kernel.org/stable/c/a8943969f9ead2fd3044fc826140a21622ef830e
- https://git.kernel.org/stable/c/c98ab18b9f315ff977c2c65d7c71298ef98be8e3
- https://git.kernel.org/stable/c/e58337100721f3cc0c7424a18730e4f39844934f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.104
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.45