#VU93606 Improper Initialization in Linux kernel - CVE-2021-47551
Published: July 2, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93606
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-2021-47551
CWE-ID: CWE-665
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 improper initialization within the stop_cpsch() function 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.
External links
- https://git.kernel.org/stable/c/74aafe99efb68f15e50be9f7032c2168512f98a8
- https://git.kernel.org/stable/c/06c6f8f86ec243b89e52f0c3dc7062bcb9de74df
- https://git.kernel.org/stable/c/2cf49e00d40d5132e3d067b5aa6d84791929ab15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16