GSD-2021-1001990 scsi: core: Put LLD module refcnt after SCSI device is released
An issue in the Linux kernel SCSI core where the low-level driver module reference count is decremented too early, potentially causing a use-after-free or crash.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001990?
GSD-2021-1001990 is a vulnerability in Kernel, published on 14 Nov 2021.
Official description
scsi: core: Put LLD module refcnt after SCSI device is released
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 v4.19.216 by commit c2df161f69fb1c67f63adbd193368b47f511edc0. For more details please see the references link.
Which versions are affected by GSD-2021-1001990?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001990?
No fix has been published for GSD-2021-1001990 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001990 being exploited?
There is no known exploitation of GSD-2021-1001990 in the wild and no public exploit code.