GSD-2021-1002316 scsi: core: sysfs: Fix hang when device state is set via sysfs
A local attacker with high privileges can cause a system hang by setting the SCSI device state via sysfs, leading to denial of service.
- 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-2021-1002316?
GSD-2021-1002316 is a denial of service vulnerability in Kernel, published on 29 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
scsi: core: sysfs: Fix hang when device state is set via sysfs
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 v5.15.5 by commit bcc0e3175a976b7fa9a353960808adb0bb49ead8, it was introduced in version v5.14 by commit f0f82e2476f6adb9c7a0135cfab8091456990c99. For more details please see the references link.
Which versions are affected by GSD-2021-1002316?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002316?
No fix has been published for GSD-2021-1002316 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-2021-1002316 being exploited?
There is no known exploitation of GSD-2021-1002316 in the wild and no public exploit code.