GSD-2021-1001343 scsi: core: Fix bad pointer dereference when ehandler kthread is invalid
A null pointer dereference in the Linux kernel SCSI core can cause a system crash when the error handler thread is invalid.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001343?
GSD-2021-1001343 is a vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
scsi: core: Fix bad pointer dereference when ehandler kthread is invalid
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 v5.4.134 by commit 887bfae2732b5b02a86a859fd239d34f7ff93c05, it was introduced in version v5.4.126 by commit 79296e292d67fa7b5fb8d8c27343683e823872c8. For more details please see the references link.
Which versions are affected by GSD-2021-1001343?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001343?
No fix has been published for GSD-2021-1001343 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001343 being exploited?
There is no known exploitation of GSD-2021-1001343 in the wild and no public exploit code.