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Fedora 42 Kernel Update Brings Key Fix for SKBFL_SHARED_FRAG Issues

fedora
Calendar Grey May 21, 2026
Dist Fedora Esm H88
Update for Fedora 42 kernel fixes a serious page-cache corruption risk. Ensure systems are patched.
The 6.19.14-107 update contains a fix for a SKBFL_SHARED_FRAG page-cache corruption vulnerability.

Summary

The kernel meta package

Update Information:

The 6.19.14-107 update contains a fix for a SKBFL_SHARED_FRAG page-cache corruption vulnerability.

Topics%20covered

Topics Covered

security advisory fedora important Linux kernel corruption page cache

Change Log

* Tue May 19 2026 Justin M. Forbes [6.19.14-107] - Revert "redhat/kernel.spec.template: Fix indentation of uki-virt generation code" (Justin M. Forbes) - Revert "redhat/kernel.spec.template: Simplify uki-virt signing" (Justin M. Forbes) - Revert "redhat/kernel.spec.template: Add kernel-uki-dtbloader sub-package" (Justin M. Forbes) - Revert "redhat/kernel.spec.template: Make -uki-dtbloader provide kernel-core-uname-r" (Justin M. Forbes) * Tue May 19 2026 Justin M. Forbes [6.19.14-7] - net: gro: don't copy frags between mixed zcopy skbs (Sabrina Dubroca) - Turn on auto bumping for remainder of F42 (Justin M. Forbes)

References


[ 1 ] Bug #2479833 - kernel: Linux kernel: SKBFL_SHARED_FRAG page-cache corruption PoC [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2479833

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-32ae3b7199' 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
Lowest
Low
Medium
High
Critical

Name: kernel
Product: Fedora 42
Version: 6.19.14
Release: 107.fc42
URL: https://www.kernel.org/
Summary: The Linux kernel

Topics%20covered

Topics Covered

security advisory fedora important Linux kernel corruption page cache

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