GSD-2021-1002701 mptcp: clear 'kern' flag from fallback sockets
A kernel flag handling issue in MPTCP fallback sockets was fixed, with unproven security impact, affecting Linux kernel versions.
- 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-2021-1002701?
GSD-2021-1002701 is a vulnerability in Kernel, published on 27 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mptcp: clear 'kern' flag from fallback sockets
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 v5.10.88 by commit 451f1eded7f56e93aaf52eb547ba97742d9c0e97, it was introduced in version v5.6 by commit cf7da0d66cc1a2a19fc5930bb746ffbb2d4cd1be. For more details please see the references link.
Which versions are affected by GSD-2021-1002701?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002701?
No fix has been published for GSD-2021-1002701 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002701 being exploited?
There is no known exploitation of GSD-2021-1002701 in the wild and no public exploit code.