SB20251001119 - Incorrect calculation in Linux kernel amd amdkfd driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001119
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) Incorrect calculation (CVE-ID: CVE-2021-4460)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the set_sched_resources() and initialize_cpsch() functions in drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.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/0c0356ef2498c1a250fe3846f30293f828737309
- https://git.kernel.org/stable/c/1874b0ef1426b873de94c61861e38f29a8df714c
- https://git.kernel.org/stable/c/3fdc5182700910a685d23df57d65166e8556a266
- https://git.kernel.org/stable/c/50e2fc36e72d4ad672032ebf646cecb48656efe0
- https://git.kernel.org/stable/c/9069b1b542de8f3bbffef868aff41521b21485cf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.3