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Fedora 43 Update: Key CPU Consumption Fixes in Cri-O 1.34.2 Release

fedora
Calendar Grey November 22, 2025
Dist Fedora Esm H88
Update for Fedora 43 addresses several issues in create-o 1.34.2, enhancing system performance and security.
Update to release 1.34.2 Resolves: rhbz#2407595, rhbz#2407866, rhbz#2408142, rhbz#2408577 Resolves: rhbz#2408640, rhbz#2408703, rhbz#2409050, rhbz#2409333 Resolves: rhbz#2409612, r...

Summary

Open Container Initiative-based implementation of Kubernetes Container Runtime

Interface.

Update Information:

Update to release 1.34.2 Resolves: rhbz#2407595, rhbz#2407866, rhbz#2408142, rhbz#2408577 Resolves: rhbz#2408640, rhbz#2408703, rhbz#2409050, rhbz#2409333 Resolves: rhbz#2409612, rhbz#2409998, rhbz#2410285, rhbz#2410563 Resolves: rhbz#2410930, rhbz#2411198, rhbz#2411461, rhbz#2412526 Resolves: rhbz#2412678, rhbz#2412758

Topics%20covered

Topics Covered

security advisory fedora important information CPU cri-o

Change Log

* Tue Nov 11 2025 Bradley G Smith - 1.34.2-1 - Update to release 1.34.2 - Resolves: rhbz#2407595, rhbz#2407866, rhbz#2408142, rhbz#2408577 - Resolves: rhbz#2408640, rhbz#2408703, rhbz#2409050, rhbz#2409333 - Resolves: rhbz#2409612, rhbz#2409998, rhbz#2410285, rhbz#2410563 - Resolves: rhbz#2410930, rhbz#2411198, rhbz#2411461, rhbz#2412526 - Resolves: rhbz#2412678, rhbz#2412758 * Fri Oct 10 2025 Maxwell G - 1.34.1-2 - Rebuild for golang 1.25.2

References


[ 1 ] Bug #2407595 - CVE-2025-58189 cri-o1.34: go crypto/tls ALPN negotiation error contains attacker controlled information [fedora-41] https://bugzilla.redhat.com/show_bug.cgi?id=2407595 [ 2 ] Bug #2407866 - CVE-2025-58189 cri-o1.34: go crypto/tls ALPN negotiation error contains attacker controlled information [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2407866 [ 3 ] Bug #2408142 - CVE-2025-58189 cri-o1.34: go crypto/tls ALPN negotiation error contains attacker controlled information [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2408142 [ 4 ] Bug #2408577 - CVE-2025-61725 cri-o1.34: Excessive CPU consumption in ParseAddress in net/mail [fedora-41] https://bugzilla.redhat.com/show_bug.cgi?id=2408577 [ 5 ] Bug #2408640 - CVE-2025-61725 cri-o1.34: Excessive CPU consumption in ParseAddress in net/mail [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2408640 [ 6 ] Bug #2408703 - CVE-2025-61725 cr...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-723e0fd8bd' 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: cri-o1.34
Product: Fedora 43
Version: 1.34.2
Release: 1.fc43
URL: https://github.com/cri-o/cri-o
Summary: Open Container Initiative-based implementation of Kubernetes Container Runtime Interface

Topics%20covered

Topics Covered

security advisory fedora important information CPU cri-o

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