GSD-2022-1002645 ubi: ubi_create_volume: Fix use-after-free when volume creation failed
A use-after-free vulnerability in the Linux kernel UBI driver 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-2022-1002645?
GSD-2022-1002645 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 v5.18.4 by commit 1174ab8ba36a48025b68b5ff1085000b1e510217, it was introduced in version v4.12 by commit 493cfaeaa0c9bc0c79ce5751193d49fdac9aaaec. For more details please see the references link.
Which versions are affected by GSD-2022-1002645?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002645?
No fix has been published for GSD-2022-1002645 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-2022-1002645 being exploited?
There is no known exploitation of GSD-2022-1002645 in the wild and no public exploit code.