GSD-2022-1004474 KVM: arm64: Prevent kmemleak from accessing pKVM memory
A kernel memory leak in KVM arm64 allows privileged attackers to read protected pKVM memory, requiring kernel patching.
- 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-2022-1004474?
GSD-2022-1004474 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: arm64: Prevent kmemleak from accessing pKVM memory
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 v5.15.51 by commit 638be56ae9cc5c25a81c525df20b1b9d92b08613, it was introduced in version v5.15 by commit a7259df7670240ee03b0cfce8a3e5d3773911e24. For more details please see the references link.
Which versions are affected by GSD-2022-1004474?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004474?
No fix has been published for GSD-2022-1004474 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004474 being exploited?
There is no known exploitation of GSD-2022-1004474 in the wild and no public exploit code.