SB2025040269 - NULL pointer dereference in Linux kernel amd amdkfd driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040269
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) NULL pointer dereference (CVE-ID: CVE-2025-21940)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the kfd_queue_acquire_buffers() function in drivers/gpu/drm/amd/amdkfd/kfd_queue.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/33eb8041c5d6c19d46e7bfd23a031844336afd80
- https://git.kernel.org/stable/c/c3cbeafb4e0001d9146df50b470885e02664f3c7
- https://git.kernel.org/stable/c/fd617ea3b79d2116d53f76cdb5a3601c0ba6e42f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14