CVE-2022-49578 ip: Fix data-races around sysctl_ip_prot_sock.
Concurrent access to sysctl_ip_prot_sock in the Linux kernel can cause data races, potentially leading to undefined behavior or instability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-49578?
CVE-2022-49578 is a medium-severity vulnerability in Linux kernel, published on 26 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ip: Fix data-races around sysctl_ip_prot_sock.
sysctl_ip_prot_sock is accessed concurrently, and there is always a chance of data-race. So, all readers and writers need some basic protection to avoid load/store-tearing.
Weakness: CWE-362
Which versions are affected by CVE-2022-49578?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49578?
Apply the vendor's patch.
Is CVE-2022-49578 being exploited?
There is no known exploitation of CVE-2022-49578 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49578, GHSA-wwcg-f5f8-7hpj, UBUNTU-CVE-2022-49578.