GSD-2021-1001255 tcp: fix tcp_init_transfer() to not reset icsk_ca_initialized
A bug in the Linux Kernel TCP implementation incorrectly resets congestion control state, potentially affecting network performance or stability.
- 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-2021-1001255?
GSD-2021-1001255 is a vulnerability in Kernel, published on 3 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tcp: fix tcp_init_transfer() to not reset icsk_ca_initialized
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 v5.10.53 by commit ad4ba3404931745a5977ad12db4f0c34080e52f7, it was introduced in version v5.10 by commit 8919a9b31eb4fb4c0a93e5fb350a626924302aa6. For more details please see the references link.
Which versions are affected by GSD-2021-1001255?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001255?
No fix has been published for GSD-2021-1001255 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001255 being exploited?
There is no known exploitation of GSD-2021-1001255 in the wild and no public exploit code.