SB2025121074 - Use-after-free in Linux kernel amd amdkfd driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121074
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-53816)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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
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 website.
References
- 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