GSD-2021-1002479 sched/scs: Reset task stack state in bringup_cpu()
A kernel bug in CPU bringup requires high privileges to trigger, potentially causing undefined behavior or crashes.
- 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-2021-1002479?
GSD-2021-1002479 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 v5.10.83 by commit e6ee7abd6bfe559ad9989004b34c320fd638c526, it was introduced in version v5.10.50 by commit 3c51d82d0b7862d7d246016c74b4390fb1fa1f11. For more details please see the references link.
Which versions are affected by GSD-2021-1002479?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002479?
No fix has been published for GSD-2021-1002479 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002479 being exploited?
There is no known exploitation of GSD-2021-1002479 in the wild and no public exploit code.