Improper locking in Linux kernel - CVE-2022-49765
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108312
CSH Severity: Low
CVSS v4.0: 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-2022-49765
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the p9_conn_cancel(), p9_read_work(), p9_write_work(), p9_conn_create(), p9_fd_request(), p9_fd_cancel() and p9_fd_cancelled() functions in net/9p/trans_fd.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49765
Install update from vendor's website.