GSD-2021-1000342 RDMA/siw: Fix a use after free in siw_alloc_mr

Not scored Published

A use-after-free vulnerability in the Linux Kernel RDMA/siw module could allow attackers to execute code or cause a denial of service.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Not stated
Victim action needed
Not stated
Fix
None listed

What is GSD-2021-1000342?

GSD-2021-1000342 is an use after free vulnerability in Kernel, published on 31 May 2021.

Official description

RDMA/siw: Fix a use after free in siw_alloc_mr

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 v5.10.37 by commit 608a4b90ece039940e9425ee2b39c8beff27e00c, it was introduced in version v5.3 by commit 2251334dcac9eb337575d8767e2a6a7e81848f7f. For more details please see the references link.

Which versions are affected by GSD-2021-1000342?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1000342?

No fix has been published for GSD-2021-1000342 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is GSD-2021-1000342 being exploited?

There is no known exploitation of GSD-2021-1000342 in the wild and no public exploit code.

Sources

Is GSD-2021-1000342 in your software?

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

Check your SBOMs for free