GSD-2021-1001635 KVM: x86: Handle SRCU initialization failure during page track init
A failure in SRCU initialization during KVM page track setup can lead to a null pointer dereference, causing a denial of service.
- 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-2021-1001635?
GSD-2021-1001635 is a vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86: Handle SRCU initialization failure during page track init
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 v5.10.71 by commit deb2949417677649e2413266d7ce8c2ff73952b4. For more details please see the references link.
Which versions are affected by GSD-2021-1001635?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001635?
No fix has been published for GSD-2021-1001635 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001635 being exploited?
There is no known exploitation of GSD-2021-1001635 in the wild and no public exploit code.