SB20250502214 - Improper locking in Linux kernel netfilter ipvs
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502214
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-2022-49918)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ip_vs_conn_net_init() function in net/netfilter/ipvs/ip_vs_conn.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/3d00c6a0da8ddcf75213e004765e4a42acc71d5d
- https://git.kernel.org/stable/c/5ee2d6b726b0ce339e36569e5849692f4cf4595e
- https://git.kernel.org/stable/c/7effc4ce3d1434ce6ff286866585a6e905fdbfc1
- https://git.kernel.org/stable/c/931f56d59c854263b32075bfac56fdb3b1598d1b
- https://git.kernel.org/stable/c/e724220b826e008764309d2a1f55a9434a4e1530
- https://git.kernel.org/stable/c/f08ee2aa24c076f81d84e26e213d8c6f4efd9f50
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.265