GSD-2021-1000023 dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback
A bug in the Intel DSA driver incorrectly clears an error status bit, potentially hiding hardware errors from the system.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000023?
GSD-2021-1000023 is a vulnerability in Kernel, published on 31 May 2021.
Official description
dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback
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 v5.11.16 by commit 02981a44a0e402089775416371bd2e0c935685f8, it was introduced in version v5.6 by commit bfe1d56091c1a404b3d4ce7e9809d745fc4453bb. For more details please see the references link.
Which versions are affected by GSD-2021-1000023?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000023?
No fix has been published for GSD-2021-1000023 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000023 being exploited?
There is no known exploitation of GSD-2021-1000023 in the wild and no public exploit code.