CVE-2023-22998 Null dereference in n/a
A flaw in the Linux kernel's virtio GPU driver mishandles error pointers, potentially causing a null dereference and system crash.
- 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-2023-22998?
CVE-2023-22998 is a medium-severity vulnerability in Linux kernel, published on 28 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel before 6.0.3, drivers/gpu/drm/virtio/virtgpu_object.c misinterprets the drm_gem_shmem_get_sg_table return value (expects it to be NULL in the error case, whereas it is actually an error pointer).
Weakness: CWE-436
Which versions are affected by CVE-2023-22998?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-22998?
Apply the vendor's patch.
Is CVE-2023-22998 being exploited?
There is no known exploitation of CVE-2023-22998 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-13774, DEBIAN-CVE-2023-22998, GHSA-3mg2-w983-r26q, OESA-2023-1323, OESA-2023-1324, UBUNTU-CVE-2023-22998.