CVE-2022-49579
Moderate
ipv4: Fix data-races around sysctl_fib_multipath_hash_policy.
In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix data-races around sysctl_fib_multipath_hash_policy. While reading sysctl_fib_multipath_hash_policy, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
Exploit probability
0.2%
Published
February 26, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-49579
View original source
In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix data-races around sysctl_fib_multipath_hash_policy. While reading sysctl_fib_multipath_hash_policy, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/21fb844bc1dc1461f5038d655aa1a14f39e13049
- https://git.kernel.org/stable/c/7998c12a08c97cc26660532c9f90a34bd7d8da5a
- https://git.kernel.org/stable/c/918ee6592ab9a2ff5316d06cfd4aaef60ccabec6
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49579.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49579