GSD-2022-1005025 shmem: update folio if shmem_replace_page() updates the page
A bug in the Linux kernel shmem subsystem fails to update folio state after page replacement, potentially causing memory inconsistencies.
- 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-2022-1005025?
GSD-2022-1005025 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
shmem: update folio if shmem_replace_page() updates the 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 v5.19.6 by commit c061d697a304cc652a21eae4c252299de7e28cc5, it was introduced in version v5.19 by commit da08e9b7932345aff0a748c55f8a25709505f2a3. For more details please see the references link.
Which versions are affected by GSD-2022-1005025?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005025?
No fix has been published for GSD-2022-1005025 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005025 being exploited?
There is no known exploitation of GSD-2022-1005025 in the wild and no public exploit code.