GSD-2021-1002839 mm/damon/dbgfs: protect targets destructions with kdamond_lock
A race condition in the Linux kernel DAMON debugfs interface allows local attackers to cause memory corruption or denial of service.
- 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-2021-1002839?
GSD-2021-1002839 is a vulnerability in Kernel, published on 30 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm/damon/dbgfs: protect targets destructions with kdamond_lock
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 v5.15.12 by commit 330c6117a82c16a9a365a51cec5c9ab30b13245c, it was introduced in version v5.15 by commit 4bc05954d0076655cfaf6f0135585bdc20cd6b11. For more details please see the references link.
Which versions are affected by GSD-2021-1002839?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002839?
No fix has been published for GSD-2021-1002839 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002839 being exploited?
There is no known exploitation of GSD-2021-1002839 in the wild and no public exploit code.