GSD-2022-1000149 tracing/histogram: Fix a potential memory leak for kstrdup()
A potential memory leak in the Linux kernel tracing histogram allows local attackers to cause 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-2022-1000149?
GSD-2022-1000149 is a memory corruption vulnerability in Kernel, published on 18 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tracing/histogram: Fix a potential memory leak for kstrdup()
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 v5.4.176 by commit 8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8, it was introduced in version v5.4.19 by commit 38b67e60b6b582e81f9db1b2e7176cbbfbd3e574. For more details please see the references link.
Which versions are affected by GSD-2022-1000149?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000149?
No fix has been published for GSD-2022-1000149 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-2022-1000149 being exploited?
There is no known exploitation of GSD-2022-1000149 in the wild and no public exploit code.