#VU93301 Resource management error in Linux kernel - CVE-2021-46976
Published: June 25, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93301
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-46976
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the auto_active() function in drivers/gpu/drm/i915/i915_active.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/805c990a9c54b9451d3daff640b850909c31ab9d
- https://git.kernel.org/stable/c/608441de3976c526b02af4d7063093c8adf351e3
- https://git.kernel.org/stable/c/f7520970d5353cb1fa4d9089a1b23669c5da97fe
- https://git.kernel.org/stable/c/402be8a101190969fc7ff122d07e262df86e132b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13