GSD-2022-1002867 zsmalloc: fix races between asynchronous zspage free and page migration
A race condition in the Linux kernel zsmalloc subsystem can lead to memory corruption or system instability during page migration.
- 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-2022-1002867?
GSD-2022-1002867 is a vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
zsmalloc: fix races between asynchronous zspage free and page migration
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 v5.18.2 by commit c5402fb5f71f1a725f1e55d9c6799c0c7bec308f, it was introduced in version v4.14 by commit 77ff465799c60294e248000cd22ae8171da3304c. For more details please see the references link.
Which versions are affected by GSD-2022-1002867?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002867?
No fix has been published for GSD-2022-1002867 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1002867 being exploited?
There is no known exploitation of GSD-2022-1002867 in the wild and no public exploit code.