GSD-2022-1002411 KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs
A guest VM can bypass security checks by writing reserved bits to PerfEvtSeln MSRs, potentially leading to privilege escalation or host instability.
- 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-2022-1002411?
GSD-2022-1002411 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs
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 v4.14.276 by commit f15c05f476437c6d55055c29463c2228e9e4251e, it was introduced in version v4.2 by commit ca724305a2b02abcbecbf22577536fc8e965ab4f. For more details please see the references link.
Which versions are affected by GSD-2022-1002411?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002411?
No fix has been published for GSD-2022-1002411 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1002411 being exploited?
There is no known exploitation of GSD-2022-1002411 in the wild and no public exploit code.