GSD-2022-1005986 apparmor: fix reference count leak in aa_pivotroot()
A reference count leak in the Linux kernel's AppArmor pivot_root function can lead to resource exhaustion and 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-2022-1005986?
GSD-2022-1005986 is a memory corruption vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
apparmor: fix reference count leak in aa_pivotroot()
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 v5.4.211 by commit ef6fb6f0d0d8440595b45a7e53c6162c737177f4, it was introduced in version v4.14 by commit 2ea3ffb7782a84da33a8382f13ebd016da50079b. For more details please see the references link.
Which versions are affected by GSD-2022-1005986?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005986?
No fix has been published for GSD-2022-1005986 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1005986 being exploited?
There is no known exploitation of GSD-2022-1005986 in the wild and no public exploit code.