GSD-2022-1004500 block: Fix handling of offline queues in blk_mq_alloc_request_hctx()
A null pointer dereference in the Linux kernel block layer can cause a system crash when handling offline queues.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1004500?
GSD-2022-1004500 is a vulnerability in Kernel, published on 31 Jul 2022.
Official description
block: Fix handling of offline queues in blk_mq_alloc_request_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 v5.15.49 by commit b5e65ef044d627effdc2599040b6d204e003f955, it was introduced in version v4.16 by commit 20e4d813931961fe26d26a1e98b3aba6ec00b130. For more details please see the references link.
Which versions are affected by GSD-2022-1004500?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004500?
No fix has been published for GSD-2022-1004500 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004500 being exploited?
There is no known exploitation of GSD-2022-1004500 in the wild and no public exploit code.