GSD-2022-1002638 md: fix double free of io_acct_set bioset
A double free vulnerability in the Linux kernel's md driver allows local attackers to cause a denial of service or potentially execute arbitrary code.
- 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-2022-1002638?
GSD-2022-1002638 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
md: fix double free of io_acct_set bioset
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 v5.18.3 by commit ea7d7bd90079d96f9c86bdaf0b106e0cd2a70661, it was introduced in version v5.17 by commit 0c031fd37f69deb0cd8c43bbfcfccd62ebd7e952. For more details please see the references link.
Which versions are affected by GSD-2022-1002638?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002638?
No fix has been published for GSD-2022-1002638 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-2022-1002638 being exploited?
There is no known exploitation of GSD-2022-1002638 in the wild and no public exploit code.