GSD-2022-1008274 9p/trans_fd: always use O_NONBLOCK read/write
The Linux kernel 9p filesystem transport may block on read/write operations, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1008274?
GSD-2022-1008274 is a denial of service vulnerability in Kernel, published on 8 Dec 2022.
Official description
9p/trans_fd: always use O_NONBLOCK read/write
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 v4.14.300 by commit 9f8554615df668e4bf83294633ee9d232b28ce45. For more details please see the references link.
Which versions are affected by GSD-2022-1008274?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008274?
No fix has been published for GSD-2022-1008274 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-2022-1008274 being exploited?
There is no known exploitation of GSD-2022-1008274 in the wild and no public exploit code.