GSD-2021-1000400 async_xor: increase src_offs when dropping destination page
A logic error in the Linux kernel's async_xor function may cause incorrect memory handling when dropping destination pages, potentially leading to undefined behavior.
- 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-2021-1000400?
GSD-2021-1000400 is a vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
async_xor: increase src_offs when dropping destination page
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 v5.10.37 by commit cab2e8e5997b592fdb7d02cf2387b4b8e3057174, it was introduced in version v5.10 by commit 29bcff787a2593b2126cfaff612c0b4e560022e9. For more details please see the references link.
Which versions are affected by GSD-2021-1000400?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000400?
No fix has been published for GSD-2021-1000400 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000400 being exploited?
There is no known exploitation of GSD-2021-1000400 in the wild and no public exploit code.