Improper locking in Linux kernel - CVE-2022-50445
Published: October 3, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116417
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-2022-50445
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 xfrm_input_resume(), xfrm_trans_queue_net() and xfrm_input_init() functions in net/xfrm/xfrm_input.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50445
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/130d9e5017ade1b81d16783563edb38c12a2eab7
- https://git.kernel.org/stable/c/4f4920669d21e1060b7243e5118dc3b71ced1276
- https://git.kernel.org/stable/c/7d98b26684cb2390729525b341ea099f0badbe18
- https://git.kernel.org/stable/c/f520075da484306bbb8425afd2c42404ba74816f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17