GSD-2022-1000821 mm/filemap: Fix handling of THPs in generic_file_buffered_read()
A bug in Linux Kernel filemap handling of Transparent Huge Pages was fixed, with unproven security impact.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000821?
GSD-2022-1000821 is a vulnerability in Kernel, published on 18 Mar 2022.
Official description
mm/filemap: Fix handling of THPs in generic_file_buffered_read()
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 v5.15.26 by commit f89903ae99bd02379e8b84d487ce302f122c4ef1, it was introduced in version v5.12 by commit cbd59c48ae2bcadc4a7599c29cf32fd3f9b78251. For more details please see the references link.
Which versions are affected by GSD-2022-1000821?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000821?
No fix has been published for GSD-2022-1000821 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000821 being exploited?
There is no known exploitation of GSD-2022-1000821 in the wild and no public exploit code.