GSD-2022-1000695 mptcp: Correctly set DATA_FIN timeout when number of retransmits is large
A flaw in the Linux Kernel MPTCP implementation could lead to a denial of service due to incorrect timeout settings during retransmissions.
- 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-2022-1000695?
GSD-2022-1000695 is a denial of service vulnerability in Kernel, published on 18 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mptcp: Correctly set DATA_FIN timeout when number of retransmits is large
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 v5.16.13 by commit 03ae283bd71f761feae3f402668d698b393b0e79, it was introduced in version v5.13 by commit 6477dd39e62c3a67cfa368ddc127410b4ae424c6. For more details please see the references link.
Which versions are affected by GSD-2022-1000695?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000695?
No fix has been published for GSD-2022-1000695 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-2022-1000695 being exploited?
There is no known exploitation of GSD-2022-1000695 in the wild and no public exploit code.