#VU104696 Improper locking in Linux kernel - CVE-2022-49322
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104696
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-2022-49322
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 trace_event_buffer_lock_reserve() and output_printk() functions in kernel/trace/trace.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/12025abdc8539ed9d5014e2d647a3fd1bd3de5cd
- https://git.kernel.org/stable/c/1788e6dbb61286215442b1af99e51405a6206762
- https://git.kernel.org/stable/c/40f9fde06b25884baa0c4bd138b909a9b67218b4
- https://git.kernel.org/stable/c/43bfc4dccc416c964b53cbdc430e814f8b6f770b
- https://git.kernel.org/stable/c/48c6ee7d6c614f09b2c8553a95eefef6ecf196e0
- https://git.kernel.org/stable/c/9abf3db8bdb63ab545034148ef2118f4d088ca59
- https://git.kernel.org/stable/c/9b534640a2c6a8d88168febc82ec6d161184f2ec
- https://git.kernel.org/stable/c/be1f323fb9d9b14a505ca22d742d321769454de1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.283