GSD-2021-1002457 seg6: fix the iif in the IPv6 socket control block
A bug in the Linux Kernel IPv6 segment routing implementation incorrectly handles the input interface in socket control blocks, potentially affecting network packet processing.
- 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-2021-1002457?
GSD-2021-1002457 is a vulnerability in Kernel, published on 19 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
seg6: fix the iif in the IPv6 socket control block
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 v5.4.165 by commit ef8804e47c0a44ae106ead1740408af5ea6c6ee9, it was introduced in version v5.0 by commit ef489749aae508e6f17886775c075f12ff919fb1. For more details please see the references link.
Which versions are affected by GSD-2021-1002457?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002457?
No fix has been published for GSD-2021-1002457 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002457 being exploited?
There is no known exploitation of GSD-2021-1002457 in the wild and no public exploit code.