Improper locking in Linux kernel - CVE-2022-49920

 

Improper locking in Linux kernel - CVE-2022-49920

Published: May 2, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU108310
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49920
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the nft_rcv_nl_event() function in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel

How to mitigate CVE-2022-49920

Install update from vendor's website.

Linux kernel - update to 6.0.8

External References

Related Security Bulletins