GSD-2021-1002809 mm/hwpoison: clear MF_COUNT_INCREASED before retrying get_any_page()
A logic error in the Linux kernel's hardware poison handling could lead to undefined behavior during page recovery retries.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1002809?
GSD-2021-1002809 is a vulnerability in Kernel, published on 30 Dec 2021.
Official description
mm/hwpoison: clear MF_COUNT_INCREASED before retrying get_any_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 v5.10.89 by commit 1f207076740101fed87074a6bc924dbe806f08a5, it was introduced in version v5.10 by commit b94e02822debdf0cc473556aad7dcc859f216653. For more details please see the references link.
Which versions are affected by GSD-2021-1002809?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002809?
No fix has been published for GSD-2021-1002809 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002809 being exploited?
There is no known exploitation of GSD-2021-1002809 in the wild and no public exploit code.