CVE-2022-0500 Memory corruption in kernel
A local attacker can exploit an out-of-bounds write in the Linux kernel BPF subsystem to crash the system 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-2022-0500?
CVE-2022-0500 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 25 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.
Which versions are affected by CVE-2022-0500?
It affects 10 products.
Products include Fedoraproject Fedora, Linux kernel, Netapp H300e Firmware, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 4 more.
How do I fix CVE-2022-0500?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-0500 being exploited?
There is no known exploitation of CVE-2022-0500 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as A-228560539, AZL-9241, DEBIAN-CVE-2022-0500, GHSA-2vh7-8384-w472, PUB-A-228560539, ROOT-OS-DEBIAN-11-CVE-2022-0500 and 1 more.