GSD-2023-1000800 selftest/bpf: Fix memory leak in kprobe_multi_test
A memory leak in the Linux kernel's BPF selftest allows local attackers to cause resource exhaustion and 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-2023-1000800?
GSD-2023-1000800 is a memory corruption 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
selftest/bpf: Fix memory leak in kprobe_multi_test
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 v6.0.16 by commit 78b772629cc5adec02ab4182b62abe916f2254a0, it was introduced in version v5.19 by commit 5b6c7e5c44349b29c614e1b61f80c6849fc72ccf. For more details please see the references link.
Which versions are affected by GSD-2023-1000800?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000800?
No fix has been published for GSD-2023-1000800 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-2023-1000800 being exploited?
There is no known exploitation of GSD-2023-1000800 in the wild and no public exploit code.