GSD-2022-1004808 xen/blkfront: force data bouncing when backend is untrusted
An attacker with control over the Xen backend can read sensitive data from the frontend due to missing data bouncing, requiring a kernel patch.
- 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-2022-1004808?
GSD-2022-1004808 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: force data bouncing when backend is untrusted
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 981de55fb6b5253fa7ae345827c6c3ca77912e5c. For more details please see the references link.
Which versions are affected by GSD-2022-1004808?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004808?
No fix has been published for GSD-2022-1004808 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004808 being exploited?
There is no known exploitation of GSD-2022-1004808 in the wild and no public exploit code.