CVE-2022-46341 Memory corruption in xorg-x11-server
Out-of-bounds memory access in X.Org allows local privilege escalation and remote code execution via SSH X forwarding.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-46341?
CVE-2022-46341 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 14 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a high keycode or button code. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
Weakness: CWE-787
Which versions are affected by CVE-2022-46341?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, X.org X Server.
How do I fix CVE-2022-46341?
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-2022-46341 being exploited?
There is no known exploitation of CVE-2022-46341 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-44433, DEBIAN-CVE-2022-46341, GHSA-cj4x-645f-6pwx, UBUNTU-CVE-2022-46341.