#VU104707 Improper locking in Linux kernel - CVE-2022-49149
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104707
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-2022-49149
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 rxrpc_call_timer_expired(), rxrpc_see_call(), rxrpc_release_call(), rxrpc_destroy_call() and rxrpc_cleanup_call() functions in net/rxrpc/call_object.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/051360e51341cd17738d82c15a8226010c7cb7f6
- https://git.kernel.org/stable/c/4a7f62f91933c8ae5308f9127fd8ea48188b6bc3
- https://git.kernel.org/stable/c/54df5a37f1d951ed27fd47bf9b15a42279582110
- https://git.kernel.org/stable/c/5e3c11144e557a9dbf9a2f6abe444689ef9d8aae
- https://git.kernel.org/stable/c/8cbf4ae7a2833767d63114573e5f9a45740cc975
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33