#VU99051 Double free in Linux kernel - CVE-2022-48981
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99051
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-2022-48981
CWE-ID: CWE-415
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 a double free error within the drm_gem_shmem_mmap() function in drivers/gpu/drm/drm_gem_shmem_helper.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/585a07b820059462e0c93b76c7de2cd946b26b40
- https://git.kernel.org/stable/c/6a4da05acd062ae7774b6b19cef2b7d922902d36
- https://git.kernel.org/stable/c/83e3da8bb92fcfa7a1d232cf55f9e6c49bb84942
- https://git.kernel.org/stable/c/586847b98e20ab02212ca5c1fc46680384e68a28
- https://git.kernel.org/stable/c/24013314be6ee4ee456114a671e9fa3461323de8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.159
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1