SB20250226531 - Improper locking in Linux kernel ipv4
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226531
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-49330)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the tcp_mtup_probe_success() function in net/ipv4/tcp_input.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/11825765291a93d8e7f44230da67b9f607c777bf
- https://git.kernel.org/stable/c/29e13f6b38f0816af2012e0725507754e8f4569c
- https://git.kernel.org/stable/c/38ca71a24cd4845021eed35fd2594d89dba9a5a8
- https://git.kernel.org/stable/c/42726877453afdbe1508a8a96884ea907741d9a7
- https://git.kernel.org/stable/c/602b338e3c3cd7f935f3f5011882961d074e5ac1
- https://git.kernel.org/stable/c/90385f2b65d0cd2b3b1ac8909f0cc6dd31062cfc
- https://git.kernel.org/stable/c/9ba2b4ac35935f05ac98cff722f36ba07d62270e
- https://git.kernel.org/stable/c/aa7f333efd1138a68517a6a6a69ae540dd59d800
- https://git.kernel.org/stable/c/f2845e1504a3bc4f3381394f057e8b63cb5f3f7a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.247