#VU111611 Improper error handling in Linux kernel - CVE-2022-49942
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111611
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-2022-49942
CWE-ID: CWE-388
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 error handling within the ieee80211_ibss_finish_csa() function in net/mac80211/ibss.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/15bc8966b6d3a5b9bfe4c9facfa02f2b69b1e5f0
- https://git.kernel.org/stable/c/1691a48aef0a82d1754b9853dae7e3f5cacdf70b
- https://git.kernel.org/stable/c/552ba102a6898630a7d16887f29e606d6fabe508
- https://git.kernel.org/stable/c/66689c5c02acd4d76c28498fe220998610aec61e
- https://git.kernel.org/stable/c/864e280cb3a9a0f5212b16ef5057c4e692f7039d
- https://git.kernel.org/stable/c/cdb9a8da9b84800eb15506cd9363cf0cf059e677
- https://git.kernel.org/stable/c/d9eb37db6a28b59a95a3461450ee209654c5f95b
- https://git.kernel.org/stable/c/dd649b49219a0388cc10fc40e4c2ea681566a780
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.142