GSD-2022-1008135 kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case
A logic error in Linux kernel kprobes handling may cause unexpected behavior when using ftrace, requiring local privileged access to exploit.
- 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-2022-1008135?
GSD-2022-1008135 is a 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
kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case
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 v5.4.225 by commit 7b0007b28dd970176f2e297c06ae63eea2447127, it was introduced in version v5.4 by commit 0bc11ed5ab60c135aa764a62c02cd5ea68289de4. For more details please see the references link.
Which versions are affected by GSD-2022-1008135?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008135?
No fix has been published for GSD-2022-1008135 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008135 being exploited?
There is no known exploitation of GSD-2022-1008135 in the wild and no public exploit code.