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Fedora 37 FEDORA-2023-d9509be489 Critical Kernel Update and Threats

fedora
Calendar Grey August 14, 2023
Dist Fedora Esm H88
The latest kernel upgrade introduces crucial security patches for Fedora 37, significantly improving overall system integrity and reliability.
The 6.4.10 stable kernel update contains a number of important fixes across the tree.

Summary

The kernel meta package

Update Information:

The 6.4.10 stable kernel update contains a number of important fixes across the tree.

Topics%20covered

Topics Covered

security advisory Fedora critical patch kernel system update bug report stability fix

Change Log

* Fri Aug 11 2023 Justin M. Forbes [6.4.10-0] - More security bug fixes for 6.4.10 (Justin M. Forbes) - KVM: SEV: remove ghcb variable declarations (Paolo Bonzini) - KVM: SEV: only access GHCB fields once (Paolo Bonzini) - KVM: SEV: snapshot the GHCB before accessing it (Paolo Bonzini) - Add another bug fixed by the 6.4.10 release (Justin M. Forbes) - drm/amd/display: Fix a regression on Polaris cards (Mario Limonciello) - redhat/configs: Remove `CONFIG_HZ_1000 is not set` for aarch64 (Enric Balletbo i Serra) - Add new CVEs fixed in 6.4.9 to BugsFixed (Justin M. Forbes) - Linux v6.4.10

References


[ 1 ] Bug #2213802 - CVE-2023-4155 kernel: KVM: SEV-ES / SEV-SNP VMGEXIT double fetch vulnerability https://bugzilla.redhat.com/show_bug.cgi?id=2213802 [ 2 ] Bug #2221609 - CVE-2023-4273 kernel: exFAT: stack overflow in exfat_get_uniname_from_ext_entry https://bugzilla.redhat.com/show_bug.cgi?id=2221609 [ 3 ] Bug #2225511 - CVE-2023-4128 Kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route https://bugzilla.redhat.com/show_bug.cgi?id=2225511 [ 4 ] Bug #2229498 - CVE-2023-4194 kernel: tap: tap_open(): correctly initialize socket uid next fix of i_uid to current_fsuid https://bugzilla.redhat.com/show_bug.cgi?id=2229498

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-d9509be489' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
critical
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Name: kernel
Product: Fedora 37
Version: 6.4.10
Release: 100.fc37
URL: https://www.kernel.org/
Summary: The Linux kernel

Topics%20covered

Topics Covered

security advisory Fedora critical patch kernel system update bug report stability fix

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