CVE-2022-2961 Use after free in Kernel
A local attacker can exploit a race condition in the Linux kernel's PLP Rose functionality to cause a crash or 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-2022-2961?
CVE-2022-2961 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 29 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A use-after-free flaw was found in the Linux kernel’s PLP Rose functionality in the way a user triggers a race condition by calling bind while simultaneously triggering the rose_bind() function. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Which versions are affected by CVE-2022-2961?
It affects 7 products.
Products include Fedoraproject Fedora, Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware and 1 more.
How do I fix CVE-2022-2961?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-2961 being exploited?
There is no known exploitation of CVE-2022-2961 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as AZL-10761, DEBIAN-CVE-2022-2961, GHSA-gm8v-w32h-qchr, ROOT-OS-DEBIAN-11-CVE-2022-2961, ROOT-OS-DEBIAN-12-CVE-2022-2961, ROOT-OS-DEBIAN-13-CVE-2022-2961 and 3 more.