CVE-2024-53098 drm/xe/ufence: Prefetch ufence addr to catch bogus address
A missing prefetch check in the Linux kernel's xe driver allows userspace to trigger memory corruption via invalid addresses, potentially leading to privilege escalation.
- 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-2024-53098?
CVE-2024-53098 is a high-severity memory corruption vulnerability in Linux kernel, published on 25 Nov 2024. 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:
drm/xe/ufence: Prefetch ufence addr to catch bogus address
access_ok() only checks for addr overflow so also try to read the addr to catch invalid addr sent from userspace.
(cherry picked from commit 9408c4508483ffc60811e910a93d6425b8e63928)
Weakness: CWE-787
Which versions are affected by CVE-2024-53098?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-53098?
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-2024-53098 being exploited?
There is no known exploitation of CVE-2024-53098 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-53098, DEBIAN-CVE-2024-53098, GHSA-j7rp-c5hp-xpqv, ROOT-OS-UBUNTU-2204-CVE-2024-53098, ROOT-OS-UBUNTU-2404-CVE-2024-53098, UBUNTU-CVE-2024-53098.