GSD-2022-1007813 KVM: x86: smm: number of GPRs in the SMRAM image depends on the image format
A flaw in KVM x86 SMM handling could allow local attackers to cause memory corruption, potentially leading to code execution or privilege escalation.
- 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-2022-1007813?
GSD-2022-1007813 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86: smm: number of GPRs in the SMRAM image depends on the image format
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 v6.0.8 by commit a7ebfbea0f52550d7cdf12c38f3f5eaa7b2b6494, it was introduced in version v6.0 by commit b443183a25ab61840a12de92f8822849e017b9c8. For more details please see the references link.
Which versions are affected by GSD-2022-1007813?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007813?
No fix has been published for GSD-2022-1007813 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1007813 being exploited?
There is no known exploitation of GSD-2022-1007813 in the wild and no public exploit code.