GSD-2021-1002547 sched/scs: Reset task stack state in bringup_cpu()
A kernel bug in CPU bringup requires a patch to reset task stack state, potentially affecting system stability or security.
- 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-2021-1002547?
GSD-2021-1002547 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
sched/scs: Reset task stack state in bringup_cpu()
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 v5.15.6 by commit 229c555260cb9c1ccdab861e16f0410f1718f302, it was introduced in version v5.14 by commit f1a0a376ca0c4ef1fc3d24e3e502acbb5b795674. For more details please see the references link.
Which versions are affected by GSD-2021-1002547?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002547?
No fix has been published for GSD-2021-1002547 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002547 being exploited?
There is no known exploitation of GSD-2021-1002547 in the wild and no public exploit code.