#VU120517 Improper locking in Linux kernel - CVE-2022-50705
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120517
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-2022-50705
CWE-ID: CWE-667
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 locking within the kiocb_end_write(), io_fixup_rw_res() and io_complete_rw() functions in io_uring/rw.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/2a853c206e553dd9c0a55c22858fd6a446d93e15
- https://git.kernel.org/stable/c/89a410dbd0f159ddd308f19d6eb682fc753e4771
- https://git.kernel.org/stable/c/b000145e9907809406d8164c3b2b8861d95aecd1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.90
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1