CVE-2022-1247 Race condition in Kernel
A race condition in the Linux kernel's rose driver allows local attackers to cause denial of service or potentially escalate privileges.
- 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-2022-1247?
CVE-2022-1247 is a high-severity vulnerability in Fedoraproject Fedora, published on 31 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue found in linux-kernel that leads to a race condition in rose_connect(). The rose driver uses rose_neigh->use to represent how many objects are using the rose_neigh. When a user wants to delete a rose_route via rose_ioctl(), the rose driver calls rose_del_node() and removes neighbours only if their “count” and “use” are zero.
Weakness: CWE-362
Which versions are affected by CVE-2022-1247?
It affects 3 products.
Products include Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux.
How do I fix CVE-2022-1247?
Apply the vendor's patch.
Is CVE-2022-1247 being exploited?
There is no known exploitation of CVE-2022-1247 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2022-1247, GHSA-78wg-6vv7-mj9q, ROOT-OS-DEBIAN-12-CVE-2022-1247, ROOT-OS-DEBIAN-13-CVE-2022-1247, ROOT-OS-UBUNTU-2204-CVE-2022-1247, ROOT-OS-UBUNTU-2404-CVE-2022-1247 and 1 more.