GSD-2022-1001403 tcp: Don't acquire inet_listen_hashbucket::lock with disabled BH.
A locking issue in the Linux kernel TCP stack can lead to a denial of service, requiring a kernel patch to resolve.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001403?
GSD-2022-1001403 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tcp: Don't acquire inet_listen_hashbucket::lock with disabled BH.
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 v5.16.20 by commit b897d79a0658d2a0fe037612bd70ce0eb21741e9. For more details please see the references link.
Which versions are affected by GSD-2022-1001403?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001403?
No fix has been published for GSD-2022-1001403 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-2022-1001403 being exploited?
There is no known exploitation of GSD-2022-1001403 in the wild and no public exploit code.