GSD-2022-1007346 x86/unwind/orc: Fix unreliable stack dump with gcov
A bug in the Linux kernel's x86 ORC unwinder causes unreliable stack dumps when gcov is enabled, potentially leading to system instability or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007346?
GSD-2022-1007346 is a denial of service vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
x86/unwind/orc: Fix unreliable stack dump with gcov
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 v5.4.223 by commit fe3fd27083db3fba2cf794ec8ccb648ac3ad7711, it was introduced in version v5.4.41 by commit 511261578b8bdd6bdab47ecddc03afda983eab53. For more details please see the references link.
Which versions are affected by GSD-2022-1007346?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007346?
No fix has been published for GSD-2022-1007346 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1007346 being exploited?
There is no known exploitation of GSD-2022-1007346 in the wild and no public exploit code.