GSD-2022-1005093 um: add "noreboot" command line option for PANIC_TIMEOUT=-1 setups
A missing noreboot option in the Linux Kernel UML subsystem could cause indefinite hangs during panics with specific timeout settings, requiring a patch.
- 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-2022-1005093?
GSD-2022-1005093 is a denial of service vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
um: add "noreboot" command line option for PANIC_TIMEOUT=-1 setups
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 v5.19.4 by commit 462f8d4cbc96aae4664fc1ff17a3aada8447d2f8. For more details please see the references link.
Which versions are affected by GSD-2022-1005093?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005093?
No fix has been published for GSD-2022-1005093 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-2022-1005093 being exploited?
There is no known exploitation of GSD-2022-1005093 in the wild and no public exploit code.