GSD-2022-1004293 bus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()
A use-after-free vulnerability in the Linux kernel fsl-mc-bus driver allows local attackers to cause denial of service or potentially escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004293?
GSD-2022-1004293 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
bus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_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 v5.18.6 by commit 161b68b0a728377aaa10a8e14c70e7734f3c9ff7, it was introduced in version v4.8 by commit f93627146f0e371093966ed3d44c065aa077cfb1. For more details please see the references link.
Which versions are affected by GSD-2022-1004293?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004293?
No fix has been published for GSD-2022-1004293 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-2022-1004293 being exploited?
There is no known exploitation of GSD-2022-1004293 in the wild and no public exploit code.