GSD-2022-1007825 ftrace: Fix use-after-free for dynamic ftrace_ops
A use-after-free vulnerability in the Linux kernel's ftrace subsystem allows local attackers with high privileges to potentially execute arbitrary code or escalate privileges.
- 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-2022-1007825?
GSD-2022-1007825 is an use after free 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
ftrace: Fix use-after-free for dynamic ftrace_ops
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 v6.0.8 by commit cc1b9961a0ceb70f6ca4e2f4b8bb71c87c7a495c, it was introduced in version v4.14 by commit edb096e00724f02db5f6ec7900f3bbd465c6c76f. For more details please see the references link.
Which versions are affected by GSD-2022-1007825?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007825?
No fix has been published for GSD-2022-1007825 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-2022-1007825 being exploited?
There is no known exploitation of GSD-2022-1007825 in the wild and no public exploit code.