SB20240531350 - Memory leak in Linux kernel drm ttm driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531350
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) Memory leak (CVE-ID: CVE-2021-47490)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ttm_transfered_destroy() function in drivers/gpu/drm/ttm/ttm_bo_util.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/bd99782f3ca491879e8524c89b1c0f40071903bd
- https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9
- https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db
- https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a
- https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd
- https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.77
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.157
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.158