GSD-2023-1000548 blk-mq: fix possible memleak when register 'hctx' failed
A memory leak in the Linux kernel block multi-queue subsystem can lead to resource exhaustion and denial of service.
- 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-2023-1000548?
GSD-2023-1000548 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
blk-mq: fix possible memleak when register 'hctx' failed
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 v6.0.16 by commit 4b7fafa5f39b15c3a6ca3b95e534d05d6904cc95. For more details please see the references link.
Which versions are affected by GSD-2023-1000548?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000548?
No fix has been published for GSD-2023-1000548 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1000548 being exploited?
There is no known exploitation of GSD-2023-1000548 in the wild and no public exploit code.