GSD-2022-1000455 KVM: x86: nSVM: fix potential NULL derefernce on nested migration
A local attacker can cause a kernel crash via NULL dereference during nested virtualization migration, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000455?
GSD-2022-1000455 is a vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86: nSVM: fix potential NULL derefernce on nested migration
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 v5.15.25 by commit 74b426bea4f7e3b081add2b88d4fba16d3af7ab6, it was introduced in version v5.13 by commit 232f75d3b4b5456de6f0b671aa86345d62de1473. For more details please see the references link.
Which versions are affected by GSD-2022-1000455?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000455?
No fix has been published for GSD-2022-1000455 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000455 being exploited?
There is no known exploitation of GSD-2022-1000455 in the wild and no public exploit code.