GSD-2022-1005527 apparmor: Fix memleak in aa_simple_write_to_buffer()
A memory leak in the AppArmor kernel module allows local attackers to cause a denial of service by exhausting system memory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005527?
GSD-2022-1005527 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 memleak in aa_simple_write_to_buffer()
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 v5.15.63 by commit bf7ebebce2c25071c719fd8a2f1307e0c243c2d7, it was introduced in version v4.17 by commit a6a52579e52b55448326db88bd9a5740e7c1a037. For more details please see the references link.
Which versions are affected by GSD-2022-1005527?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005527?
No fix has been published for GSD-2022-1005527 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-2022-1005527 being exploited?
There is no known exploitation of GSD-2022-1005527 in the wild and no public exploit code.