GSD-2022-1006462 fsdax: Fix infinite loop in dax_iomap_rw()
A local attacker can cause a denial of service via an infinite loop in the Linux kernel's fsdax implementation.
- 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-2022-1006462?
GSD-2022-1006462 is a denial of service vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
fsdax: Fix infinite loop in dax_iomap_rw()
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 by commit 17d9c15c9b9e7fb285f7ac5367dfb5f00ff575e3, it was introduced in version v5.15 by commit ca289e0b95afa973d204c77a4ad5c37e06145fbf. For more details please see the references link.
Which versions are affected by GSD-2022-1006462?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006462?
No fix has been published for GSD-2022-1006462 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1006462 being exploited?
There is no known exploitation of GSD-2022-1006462 in the wild and no public exploit code.