GSD-2022-1006339 tcp: TX zerocopy should not sense pfmemalloc status
A flaw in Linux kernel TCP TX zerocopy handling may allow remote attackers to cause a denial of service.
- 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-2022-1006339?
GSD-2022-1006339 is a denial of service vulnerability in Kernel, published on 2 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tcp: TX zerocopy should not sense pfmemalloc status
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 v5.19.9 by commit 6730c48ed6b0cd939fc9b30b2d621ce0b89bea83, it was introduced in version v5.14 by commit c07aea3ef4d4076f18f567b98ed01e082e02ed51. For more details please see the references link.
Which versions are affected by GSD-2022-1006339?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006339?
No fix has been published for GSD-2022-1006339 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-2022-1006339 being exploited?
There is no known exploitation of GSD-2022-1006339 in the wild and no public exploit code.