GSD-2021-1002636 net/packet: rx_owner_map depends on pg_vec
A potential vulnerability in the Linux kernel packet socket implementation involving rx_owner_map and pg_vec dependencies, with unproven impact.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1002636?
GSD-2021-1002636 is a vulnerability in Kernel, published on 27 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/packet: rx_owner_map depends on pg_vec
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 v4.14.259 by commit a829ff7c8ec494eca028824628a964cde543dc76, it was introduced in version v4.14.175 by commit 2975472e042e0bbfeeabddc5023cb8c011ec5a07. For more details please see the references link.
Which versions are affected by GSD-2021-1002636?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002636?
No fix has been published for GSD-2021-1002636 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002636 being exploited?
There is no known exploitation of GSD-2021-1002636 in the wild and no public exploit code.