GSD-2022-1004811 xen/blkfront: fix leaking data in shared pages
An attacker with local access to a Xen guest can read sensitive data from shared memory pages due to improper data clearing in the blkfront driver.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004811?
GSD-2022-1004811 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
xen/blkfront: fix leaking data in shared pages
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 v4.19.251 by commit f4a1391185e30c977bfe1648435c152f806211c7. For more details please see the references link.
Which versions are affected by GSD-2022-1004811?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004811?
No fix has been published for GSD-2022-1004811 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004811 being exploited?
There is no known exploitation of GSD-2022-1004811 in the wild and no public exploit code.