GSD-2022-1000606 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-2022-1000606?
GSD-2022-1000606 is a memory corruption vulnerability in Kernel, published on 27 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 v5.16.5 by commit df86e2fe808c3536a9dba353cc2bebdfea00d0cf, it was introduced in version v5.6 by commit d380dcde9a07ca5de4805dee11f58a98ec0ad6ff. For more details please see the references link.
Which versions are affected by GSD-2022-1000606?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000606?
No fix has been published for GSD-2022-1000606 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-2022-1000606 being exploited?
There is no known exploitation of GSD-2022-1000606 in the wild and no public exploit code.