GSD-2023-1000296 tracing: Free buffers when a used dynamic event is removed
A use-after-free vulnerability in the Linux kernel tracing subsystem allows local attackers to cause denial of service or potentially execute code.
- 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-2023-1000296?
GSD-2023-1000296 is an use after free vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tracing: Free buffers when a used dynamic event is removed
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 v5.4.226 by commit 1603feac154ff38514e8354e3079a455eb4801e2, it was introduced in version v2.6.33 by commit 77b44d1b7c28360910cdbd427fb62d485c08674c. For more details please see the references link.
Which versions are affected by GSD-2023-1000296?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000296?
No fix has been published for GSD-2023-1000296 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2023-1000296 being exploited?
There is no known exploitation of GSD-2023-1000296 in the wild and no public exploit code.