GSD-2022-1004262 xen-blkfront: Handle NULL gendisk
A NULL pointer dereference in the xen-blkfront driver can cause a system crash, requiring a kernel patch to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004262?
GSD-2022-1004262 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
xen-blkfront: Handle NULL gendisk
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.8 by commit db403bc872af09360f5c80f83dc3b360f0be49af, it was introduced in version v5.14 by commit 05d69d950d9d84218fc9beafd02dea1f6a70e09e. For more details please see the references link.
Which versions are affected by GSD-2022-1004262?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004262?
No fix has been published for GSD-2022-1004262 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004262 being exploited?
There is no known exploitation of GSD-2022-1004262 in the wild and no public exploit code.