GSD-2022-1005259 KVM: Don't set Accessed/Dirty bits for ZERO_PAGE
KVM incorrectly sets Accessed/Dirty bits for ZERO_PAGE, potentially causing memory management issues in virtualized environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005259?
GSD-2022-1005259 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: Don't set Accessed/Dirty bits for ZERO_PAGE
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 v5.19.2 by commit d225591d016bf1dc544d7f1d69bd336c21836cc7, it was introduced in version v5.6 by commit 7df003c85218b5f5b10a7f6418208f31e813f38f. For more details please see the references link.
Which versions are affected by GSD-2022-1005259?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005259?
No fix has been published for GSD-2022-1005259 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005259 being exploited?
There is no known exploitation of GSD-2022-1005259 in the wild and no public exploit code.