CVE-2024-26917 scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock"

What is CVE-2024-26917?

CVE-2024-26917 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 17 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock"

This reverts commit 1a1975551943f681772720f639ff42fbaa746212.

This commit causes interrupts to be lost for FCoE devices, since it changed sping locks from "bh" to "irqsave".

Instead, a work queue should be used, and will be addressed in a separate commit.

Which versions are affected by CVE-2024-26917?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-26917?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-26917 being exploited?

There is no known exploitation of CVE-2024-26917 in the wild and no public exploit code.

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2024-26917, DEBIAN-CVE-2024-26917, GHSA-m546-6cp3-j348, UBUNTU-CVE-2024-26917.