SB20250502207 - Improper locking in Linux kernel netfilter ipvs
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502207
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-2022-49903)
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_app_net_init() function in net/netfilter/ipvs/ip_vs_app.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/080589287127838046077904f34d5054ea0f895c
- https://git.kernel.org/stable/c/0ed71af4d017d2bd2cbb8f7254f613a4914def26
- https://git.kernel.org/stable/c/381453770f731f0f43616a1cd4c759b7807a1517
- https://git.kernel.org/stable/c/5dbb47ee89762da433cd8458788d7640c85f1a07
- https://git.kernel.org/stable/c/768b3c745fe5789f2430bdab02f35a9ad1148d97
- https://git.kernel.org/stable/c/83fbf246ced54dadd7b9adc2a16efeff30ba944d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.265