GSD-2021-1001388 dm btree remove: assign new_root only when removal succeeds
A flaw in the Linux kernel device-mapper btree removal logic could lead to a null pointer dereference, potentially causing a system 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-2021-1001388?
GSD-2021-1001388 is a vulnerability in Kernel, published on 3 Aug 2021.
Official description
dm btree remove: assign new_root only when removal succeeds
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 v4.19.198 by commit 8fbae4a1bdb5b889490cdee929e68540151536e5. For more details please see the references link.
Which versions are affected by GSD-2021-1001388?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001388?
No fix has been published for GSD-2021-1001388 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001388 being exploited?
There is no known exploitation of GSD-2021-1001388 in the wild and no public exploit code.