#VU116299 Incorrect calculation in Linux kernel - CVE-2021-4460
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116299
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-2021-4460
CWE-ID: CWE-682
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 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 repository.
External links
- 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