GSD-2021-1002489 perf hist: Fix memory leak of a perf_hpp_fmt
A memory leak in the Linux kernel perf hist component can lead to resource exhaustion and denial of service.
- 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-2021-1002489?
GSD-2021-1002489 is a memory corruption vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
perf hist: Fix memory leak of a perf_hpp_fmt
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 v5.10.84 by commit a4c17ebdd6249cb4e061358d3693383f6628e069. For more details please see the references link.
Which versions are affected by GSD-2021-1002489?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002489?
No fix has been published for GSD-2021-1002489 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-2021-1002489 being exploited?
There is no known exploitation of GSD-2021-1002489 in the wild and no public exploit code.