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Fedora 43 Kernel 7.1.3 Important CVE-2026

Linuxsecurity •LinuxSecurity Advisories • July 7, 2026

The 7.1.3 stable kernel rebase contains new features, improved hardware support, and a number of important fixes across the tree. This also has a fix for CVE-2026-53359

* Sat Jul 4 2026 Justin M. Forbes [7.1.3-1] - Linux v7.1.3

Fedora Update Notification FEDORA-2026-c3e2e91b4d 2026-07-07 01:08:27.509786+00:00 Name : kernel Product : Fedora 43 Version : 7.1.3 Release : 100.fc43 URL : Summary : The Linux kernel Description : The kernel meta package

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-c3e2e91b4d' at the command line. For more information, refer to the dnf documentation available at

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical CVE-2026-53359 Affects Fedora Kernel Headers On July 4, 2026, CVE-2026-53359 was published, affecting Fedora kernel headers in versions 43 and 44. This vulnerability is significant as it impacts the interface between the Linux kernel and userspace libraries. The 7.1.3 stable kernel rebase includes a fix for this CVE, released on July 5, 2026. Users of Fedora 43 and 44 are advised to update their systems to mitigate potential exploitation risks. The updates can be installed using the 'dnf' update program. Both Fedora 43 and 44 include header files necessary for building standard programs, making this a critical update for developers and system administrators. The current status indicates that the vulnerability has been addressed, but users must act promptly to ensure their systems are secure. 3 sources 71

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Fedora 43 Kernel 7.1.3 Important CVE-2026

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