GSD-2022-1003860 ubi: ubi_create_volume: Fix use-after-free when volume creation failed
A use-after-free vulnerability in the Linux kernel UBI subsystem allows local attackers with high privileges to potentially execute code or 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-2022-1003860?
GSD-2022-1003860 is an use after free 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
ubi: ubi_create_volume: Fix use-after-free when volume creation failed
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 v4.19.247 by commit abb67043060f2bf4c03d7c3debb9ae980e2b6db3, it was introduced in version v4.12 by commit 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec. For more details please see the references link.
Which versions are affected by GSD-2022-1003860?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003860?
No fix has been published for GSD-2022-1003860 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-2022-1003860 being exploited?
There is no known exploitation of GSD-2022-1003860 in the wild and no public exploit code.