#VU119706 Use-after-free in Linux kernel - CVE-2023-53816
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119706
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53816
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the kfd_ioctl_map_memory_to_gpu() and kfd_ioctl_unmap_memory_from_gpu() functions in drivers/gpu/drm/amd/amdkfd/kfd_chardev.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/5045360f3bb62ccd4f87202e33489f71f8bbc3fc
- https://git.kernel.org/stable/c/5ca14fb5552ac13a2402d306c0bd2379a71610ff
- https://git.kernel.org/stable/c/9da050b0d9e04439d225a2ec3044af70cdfb3933
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3