GSD-2022-1002944 tcp: use alloc_large_system_hash() to allocate table_perturb
A flaw in Linux kernel TCP table allocation could lead to 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-2022-1002944?
GSD-2022-1002944 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tcp: use alloc_large_system_hash() to allocate table_perturb
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 v5.17.15 by commit ef142d6f39da851e1297292e2c9b226d5384beea, it was introduced in version v5.17.9 by commit 01e16c23823a057667feb5cf26ba0c963fef6afd. For more details please see the references link.
Which versions are affected by GSD-2022-1002944?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002944?
No fix has been published for GSD-2022-1002944 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-2022-1002944 being exploited?
There is no known exploitation of GSD-2022-1002944 in the wild and no public exploit code.