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Fedora 43 Kernel Important Security Fix for net/can 2026-f1fc7772c3

fedora
Calendar Grey July 21, 2026
Scroller Fedora
Fedora 43 Kernel Update addresses crucial fixes and an important security issue that ensures system stability and safety.
The 7.1.4-102/202 stable kernel updates contain a few important fixes across the tree

Summary

The kernel meta package

Update Information:

The 7.1.4-102/202 stable kernel updates contain a few important fixes across the tree. The 7.1.4-101/201 stable kernel update contains a fix for a rather important security issue with net/can.

Topics%20covered

Topics Covered

security advisory fedora threat important kernel net/can

Change Log

* Tue Jul 21 2026 Justin M. Forbes [7.1.4-2] - Revert "PCI/MSI: Unmap MSI-X region on error" (Yuanhe Shu) - Revert "btrfs: fix the file offset calculation inside btrfs_decompress_buf2page()" (Matthew Wilcox (Oracle)) - drm/amdkfd: always resume_all after suspend_all (Alex Deucher) - KVM: nVMX: Hide shadow VMCS right after VMCLEAR (Hyunwoo Kim) - KVM: x86: Only reset TSC Deadline Timer in apic_timer_expired on KVM_RUN (Venkatesh Srinivas) - KVM: x86/mmu: Fix use-after-free on vendor module reload (Phil Rosenthal) - KVM: x86/mmu: Preserve nested TDP shadow page tables if they are used as roots (Hyunwoo Kim) - KVM: x86: Check for invalid/obsolete root *after* making MMU pages available (Sean Christopherson) * Mon Jul 20 2026 Justin M. Forbes [7.1.4-1] - can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF (Lee Jones)

References

Fedora Update Notification FEDORA-2026-f1fc7772c3 2026-07-22 01:14:14.597340+00:00 Name : kernel Product : Fedora 43 Version : 7.1.4 Release : 102.fc43 URL : https://www.kernel.org/ Summary : The Linux kernel Description : The kernel meta package

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-f1fc7772c3' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
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Critical

Name: kernel
Product: Fedora 43
Version: 7.1.4
Release: 102.fc43
URL: https://www.kernel.org/
Summary: The Linux kernel

Topics%20covered

Topics Covered

security advisory fedora threat important kernel net/can

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