GSD-2022-1002833 scsi: target: tcmu: Avoid holding XArray lock when calling lock_page
A locking issue in the Linux kernel's tcmu driver could lead to a denial of service by holding a lock during page locking.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1002833?
GSD-2022-1002833 is a denial of service vulnerability in Kernel, published on 28 Jun 2022.
Official description
scsi: target: tcmu: Avoid holding XArray lock when calling lock_page
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 v5.18.3 by commit 607c9c579fcac2d8c8542079121f2ac05ca5f535, it was introduced in version v5.18.3 by commit e215f411d07d7c618ab3975f9d7e9a89739e86bf. For more details please see the references link.
Which versions are affected by GSD-2022-1002833?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002833?
No fix has been published for GSD-2022-1002833 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1002833 being exploited?
There is no known exploitation of GSD-2022-1002833 in the wild and no public exploit code.