GSD-2022-1001606 dm: fix use-after-free in dm_cleanup_zoned_dev()
A use-after-free vulnerability in the Linux kernel's device mapper 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-2022-1001606?
GSD-2022-1001606 is an use after free vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dm: fix use-after-free in dm_cleanup_zoned_dev()
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 v5.16.19 by commit fdfe414ca28ddfd562c233fb27385cf820de03e8, it was introduced in version v5.14 by commit bb37d77239af25cde59693dbe3fac04dd17d7b29. For more details please see the references link.
Which versions are affected by GSD-2022-1001606?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001606?
No fix has been published for GSD-2022-1001606 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-2022-1001606 being exploited?
There is no known exploitation of GSD-2022-1001606 in the wild and no public exploit code.