GSD-2022-1000818 KVM: x86/mmu: make apf token non-zero to fix bug
A bug in KVM's asynchronous page fault token handling could lead to undefined behavior, requiring a kernel patch to ensure tokens are non-zero.
- 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-2022-1000818?
GSD-2022-1000818 is a vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86/mmu: make apf token non-zero to fix bug
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 v5.15.26 by commit 4c3644b6c96c5daa5149e5abddc07234eea47c7c. For more details please see the references link.
Which versions are affected by GSD-2022-1000818?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000818?
No fix has been published for GSD-2022-1000818 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000818 being exploited?
There is no known exploitation of GSD-2022-1000818 in the wild and no public exploit code.