GSD-2022-1004489 cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle
A race condition in the Linux Kernel's CFI slowpath handling with cpuidle can lead to system instability or crashes.
- 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-2022-1004489?
GSD-2022-1004489 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle
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 v5.15.49 by commit 75f3a5fa2ad049c85ab5d5ee1ed9cfaa7e62c5ed, it was introduced in version v5.13 by commit cf68fffb66d60d96209446bfc4a15291dc5a5d41. For more details please see the references link.
Which versions are affected by GSD-2022-1004489?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004489?
No fix has been published for GSD-2022-1004489 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004489 being exploited?
There is no known exploitation of GSD-2022-1004489 in the wild and no public exploit code.