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Fedora 42 Kernel Important Dirtyfrag Fix CVE-2026-43284

fedora
Calendar Grey May 8, 2026
Dist Fedora Esm H88
Fedora 42 kernel update addresses critical dirtyfrag issue with CVE-2026-43284 and CVE-2026-43500 vulnerabilities.
The 6.19.14-101 stable update contains a fix for the dirtyfrag vulnerability

Summary

The kernel meta package

Update Information:

The 6.19.14-101 stable update contains a fix for the dirtyfrag vulnerability. This covers CVE-2026-43284 and CVE-2026-43500

Topics%20covered

Topics Covered

security advisory fedora important kernel fix dirtyfrag

Change Log

* Thu May 7 2026 Justin M. Forbes [6.19.14-101] - 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) - Turn off F43 and F44 release targets (Justin M. Forbes) - rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (Hyunwoo Kim) - rxrpc: Fix rxrpc_input_call_event() to only unshare DATA packets (David Howells) - rxrpc: Fix re-decryption of RESPONSE packets (David Howells) - rxrpc: Fix error handling in rxgk_extract_token() (David Howells) - rxrpc: Fix rxkad crypto unalignment handling (David Howells) - rxrpc: Fix conn-level packet handling to unshare RESPONSE packets (David Howells) - rxrpc: Fix memory leaks in rxkad_verify_response() (David Howells) - rxrpc: Fix potential UAF after skb_unshare() failure (David Howells) - xfrm: esp: avoid in-place decrypt on shared skb frags (Kuan-Ting Chen)

References

Fedora Update Notification FEDORA-2026-87dc12705e 2026-05-08 19:40:45.156117+00:00 Name : kernel Product : Fedora 42 Version : 6.19.14 Release : 101.fc42 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-2026-87dc12705e' 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: 101.fc42
URL: https://www.kernel.org/
Summary: The Linux kernel

Topics%20covered

Topics Covered

security advisory fedora important kernel fix dirtyfrag

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