GSD-2022-1002055 block, bfq: don't move oom_bfqq
A flaw in the BFQ I/O scheduler allows local attackers to cause a denial of service by moving out-of-memory queues.
- 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-2022-1002055?
GSD-2022-1002055 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
block, bfq: don't move oom_bfqq
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 v5.10.110 by commit 7507ead1e9d42957c2340f2c4a0e9d00034e3366. For more details please see the references link.
Which versions are affected by GSD-2022-1002055?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002055?
No fix has been published for GSD-2022-1002055 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-2022-1002055 being exploited?
There is no known exploitation of GSD-2022-1002055 in the wild and no public exploit code.