GSD-2022-1007976 tracing: kprobe: Fix memory leak in test_gen_kprobe/kretprobe_cmd()
A memory leak in the Linux kernel's kprobe testing commands 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-2022-1007976?
GSD-2022-1007976 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tracing: kprobe: Fix memory leak in test_gen_kprobe/kretprobe_cmd()
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 v5.15.78 by commit d1b6a8e3414aeaa0985139180c145d2d0fbd2a49, it was introduced in version v5.6 by commit 64836248dda20c8e7427b493f7e06d9bf8f58850. For more details please see the references link.
Which versions are affected by GSD-2022-1007976?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007976?
No fix has been published for GSD-2022-1007976 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-2022-1007976 being exploited?
There is no known exploitation of GSD-2022-1007976 in the wild and no public exploit code.