Improper locking in Linux kernel - CVE-2022-49903
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108302
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49903
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2022-49903
Install update from vendor's website.
Linux kernel - update to 4.19.265
External 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