GSD-2022-1007821 arm64: entry: avoid kprobe recursion
A recursion issue in the arm64 entry code can cause a kernel crash, requiring local access and kprobe usage.
- 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-2022-1007821?
GSD-2022-1007821 is a denial of service 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
arm64: entry: avoid kprobe recursion
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 db66629d43b2d12cb43b004a4ca6be1d03228e97, it was introduced in version v5.12 by commit 6459b8469753e9feaa8b34691d097cffad905931. For more details please see the references link.
Which versions are affected by GSD-2022-1007821?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007821?
No fix has been published for GSD-2022-1007821 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-2022-1007821 being exploited?
There is no known exploitation of GSD-2022-1007821 in the wild and no public exploit code.