CVE-2024-26719: Vulnerability in linux-libc-dev package - nouveau: offload fence uevents work to workqueue

linux Updated 02 Oct 2025

Summary

03/04/2024

Disclosed on

CVE-2024-26719

CVE

No i

Fix available

Medium

Severity

5.5

CVSS Score

CVE-2024-26719: In the Linux kernel, the following vulnerability has been resolved: nouveau: offload fence uevents work to workqueue This should break the deadlock between the fctx lock and the irq lock. Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓

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Background

The linux-libc-dev package is a development package that provides the necessary C library headers and symbolic links for compiling against the Linux kernel. It is an essential component for building and linking applications on Linux systems. The package is widely used by developers and is included in various Linux distributions.

The vulnerability in the linux-libc-dev package, identified as CVE-2024-26719, is related to the nouveau driver in the Linux kernel. The vulnerability has been addressed by offloading fence uevents work to a workqueue, which resolves a deadlock issue between the fctx lock and the irq lock. This improvement ensures smooth processing of work and prevents potential system instability or crashes.

Vulnerability Detail

The vulnerability in the linux-libc-dev package arises from a deadlock between the fctx lock and the irq lock in the nouveau driver of the Linux kernel. This deadlock can lead to system instability or crashes. To mitigate this issue, the processing of work has been offloaded from the irq into a workqueue, effectively breaking the deadlock.

The vulnerability has a CVSS score of 4.4, indicating a medium severity level. It can be exploited by an attacker with local access to the system, but does not require any user interaction.

For more technical details, please refer to the following references:

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability. The recommended approach is to update the linux-libc-dev package to the latest version.

Conclusion

The vulnerability in the linux-libc-dev package, CVE-2024-26719, has been addressed by offloading fence uevents work to a workqueue in the nouveau driver of the Linux kernel. This improvement resolves a deadlock issue and ensures smooth processing of work, preventing potential system instability or crashes. To fix the vulnerability, it is recommended to update the linux-libc-dev package to the latest version. If you need further assistance or support in vulnerability remediation, please contact DevNack.com.

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