GSD-2022-1001063 powerpc/set_memory: Avoid spinlock recursion in change_page_attr()
A spinlock recursion issue in the Linux kernel powerpc memory management can cause a system crash, requiring a kernel upgrade to fix.
- 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-2022-1001063?
GSD-2022-1001063 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
powerpc/set_memory: Avoid spinlock recursion in change_page_attr()
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 v5.17.3 by commit 6ebe5ca2cbe438a688f2ae238ef5a0b0b5f3468a. For more details please see the references link.
Which versions are affected by GSD-2022-1001063?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001063?
No fix has been published for GSD-2022-1001063 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-2022-1001063 being exploited?
There is no known exploitation of GSD-2022-1001063 in the wild and no public exploit code.