GSD-2021-1002262 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, requiring a kernel 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-2021-1002262?
GSD-2021-1002262 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 v5.4.162 by commit edd783162bf2385b43de6764f2d4c6e9f4f6be27, it was introduced in version v5.4.143 by commit 69aa1a1a569f5c6d554b59352130ef363342ed4c. For more details please see the references link.
Which versions are affected by GSD-2021-1002262?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002262?
No fix has been published for GSD-2021-1002262 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-2021-1002262 being exploited?
There is no known exploitation of GSD-2021-1002262 in the wild and no public exploit code.