GSD-2022-1004343 tcp: Fix data-races around sysctl_tcp_fastopen.
A race condition in the Linux kernel TCP Fast Open sysctl handling could lead to 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-2022-1004343?
GSD-2022-1004343 is a vulnerability in Kernel, published on 31 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tcp: Fix data-races around sysctl_tcp_fastopen.
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 v5.15.58 by commit 539d9ab79eba3974b479cad61a8688c41fe62e12, it was introduced in version v3.6 by commit 2100c8d2d9db23c0a09901a782bb4e3b21bee298. For more details please see the references link.
Which versions are affected by GSD-2022-1004343?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004343?
No fix has been published for GSD-2022-1004343 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004343 being exploited?
There is no known exploitation of GSD-2022-1004343 in the wild and no public exploit code.