GSD-2021-1001037 RDMA: Verify port when creating flow rule

Not scored Published

Missing port verification in RDMA flow rule creation allows local attackers to bypass security checks, potentially leading to privilege escalation or unauthorized access.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2021-1001037?

GSD-2021-1001037 is a missing authorization vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

RDMA: Verify port when creating flow rule

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 v5.12.11 by commit 8dc1b0e0ca204596c50bcd159ee069ae0f998176, it was introduced in version v3.12 by commit 436f2ad05a0b65b1467ddf51bc68171c381bf844. For more details please see the references link.

Which versions are affected by GSD-2021-1001037?

1 open source package ship an affected version, including Kernel.

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1001037?

No fix has been published for GSD-2021-1001037 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is GSD-2021-1001037 being exploited?

There is no known exploitation of GSD-2021-1001037 in the wild and no public exploit code.

Sources

Is GSD-2021-1001037 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free