Improper locking in Linux kernel - CVE-2022-49843
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108304
CSH Severity: Low
CVSS v4.0: 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-2022-49843
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the svm_migrate_to_ram() function in drivers/gpu/drm/amd/amdkfd/kfd_migrate.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49843
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/128e284c6cccf5875261569fa3bb07558870c17f
- https://git.kernel.org/stable/c/1dea25e25acd990d7657940ffcab8354c28fa292
- https://git.kernel.org/stable/c/3a876060892ba52dd67d197c78b955e62657d906
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1