GSD-2022-1008096 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-2022-1008096?
GSD-2022-1008096 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 v5.10.154 by commit ea5f2fd4640ecbb9df969bf8bb27733ae2183169, it was introduced in version v4.14 by commit edb096e00724f02db5f6ec7900f3bbd465c6c76f. For more details please see the references link.
Which versions are affected by GSD-2022-1008096?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008096?
No fix has been published for GSD-2022-1008096 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-2022-1008096 being exploited?
There is no known exploitation of GSD-2022-1008096 in the wild and no public exploit code.