GSD-2022-1003253 tcp: use alloc_large_system_hash() to allocate table_perturb
A flaw in the Linux Kernel TCP implementation could lead to resource exhaustion or instability, requiring a kernel patch to mitigate potential denial of service risks.
- 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-2022-1003253?
GSD-2022-1003253 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 v5.15.47 by commit 9c1fb2e93844f0425dc1228e82884c7589f0468a, it was introduced in version v5.15.41 by commit 4a3eefa399e675c4a5239497832a72733281a20f. For more details please see the references link.
Which versions are affected by GSD-2022-1003253?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003253?
No fix has been published for GSD-2022-1003253 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-2022-1003253 being exploited?
There is no known exploitation of GSD-2022-1003253 in the wild and no public exploit code.