GSD-2023-1000056 mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths
Missing MMU notifier invocations in Linux kernel huge page collapse paths may cause memory consistency issues, 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-2023-1000056?
GSD-2023-1000056 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths
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 v6.0.13 by commit 5450535901d89a5dcca5fbbc59a24fe89caeb465, it was introduced in version v4.8 by commit f3f0e1d2150b2b99da2cbdfaad000089efe9bf30. For more details please see the references link.
Which versions are affected by GSD-2023-1000056?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000056?
No fix has been published for GSD-2023-1000056 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000056 being exploited?
There is no known exploitation of GSD-2023-1000056 in the wild and no public exploit code.