GSD-2022-1004938 iio: trigger: sysfs: fix use-after-free on remove
A use-after-free vulnerability in the Linux kernel IIO trigger sysfs interface allows local attackers to potentially escalate privileges or cause a system crash.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004938?
GSD-2022-1004938 is an use after free 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
iio: trigger: sysfs: fix use-after-free on remove
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 v4.9.321 by commit d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2, it was introduced in version v3.7 by commit f38bc926d022ebd67baad6ac7fc22c95fbc6238c. For more details please see the references link.
Which versions are affected by GSD-2022-1004938?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004938?
No fix has been published for GSD-2022-1004938 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1004938 being exploited?
There is no known exploitation of GSD-2022-1004938 in the wild and no public exploit code.