#VU99003 Improper locking in Linux kernel - CVE-2022-48983
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99003
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-2022-48983
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 io_tctx_exit_cb() function in io_uring/io_uring.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/f895511de9d27fff71dad2c234ad53b4afd2b06c
- https://git.kernel.org/stable/c/d91edca1943453aaaba4f380f6f364346222e5cf
- https://git.kernel.org/stable/c/998b30c3948e4d0b1097e639918c5cff332acac5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1