CVE-2026-43230 net/rds: Clear reconnect pending bit

High 7.5 Published Updated

A race condition in the Linux kernel RDS module can leave a reconnect bit set, potentially causing denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-43230?

CVE-2026-43230 is a high-severity vulnerability in Linux kernel, published on 6 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

net/rds: Clear reconnect pending bit

When canceling the reconnect worker, care must be taken to reset the reconnect-pending bit. If the reconnect worker has not yet been scheduled before it is canceled, the reconnect-pending bit will stay on forever.

Which versions are affected by CVE-2026-43230?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-43230?

Apply the vendor's patch.

Is CVE-2026-43230 being exploited?

There is no known exploitation of CVE-2026-43230 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2026-43230, DEBIAN-CVE-2026-43230, GHSA-v9pp-wjc8-hr9p, ROOT-OS-DEBIAN-11-CVE-2026-43230, ROOT-OS-UBUNTU-2204-CVE-2026-43230, ROOT-OS-UBUNTU-2404-CVE-2026-43230 and 1 more.

Is CVE-2026-43230 in your software?

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

Check your SBOMs for free