GSD-2022-1002968 blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx
A potential null pointer dereference in the Linux kernel block layer could lead to a system crash, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1002968?
GSD-2022-1002968 is a vulnerability in Kernel, published on 28 Jun 2022.
Official description
blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx
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 v5.17.15 by commit b140bac470b4f707cda59c7266214246238661df, it was introduced in version v5.12 by commit b6e68ee82585f2ee890b0a897a6aacbf49a467bb. For more details please see the references link.
Which versions are affected by GSD-2022-1002968?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002968?
No fix has been published for GSD-2022-1002968 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1002968 being exploited?
There is no known exploitation of GSD-2022-1002968 in the wild and no public exploit code.