GSD-2022-1005377 KVM: x86/xen: Stop Xen timer before changing IRQ
A race condition in KVM Xen timer handling allows local attackers to cause a denial of service by changing IRQs without stopping the timer.
- 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-2022-1005377?
GSD-2022-1005377 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: x86/xen: Stop Xen timer before changing IRQ
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 53283a3333c07e44475c3659c3700dc33400267f, it was introduced in version v5.19 by commit 536395260582be7443b0b35b0bbb89ffe3947f62. For more details please see the references link.
Which versions are affected by GSD-2022-1005377?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005377?
No fix has been published for GSD-2022-1005377 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005377 being exploited?
There is no known exploitation of GSD-2022-1005377 in the wild and no public exploit code.