SUSE-SU-2026:4890-1: important: Security update for cpupower

[SLE-SECURITY-UPDATES]

# Security update for cpupower

Announcement ID: SUSE-SU-2026:4890-1  
Release Date: 2026-10-23T10:46:05Z  
Rating: important  
References:

  * bsc#1278335

  
Cross-References:

  * CVE-2026-80663

  
CVSS scores:

  * CVE-2026-80663 ( SUSE ):  6.9
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-80663 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
  * CVE-2026-80663 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

  
Affected Products:

  * Basesystem Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for cpupower fixes the following issue:

  * CVE-2026-80663: tools/power/x86/intel-speed-select: Harden daemon pidfile
    open (bsc#1278335).

Changes for cpupower:

  * Release to latest kernel-source including:
  * intel-speed-select: Harden daemon pidfile open (CVE-2026-80663 bsc#1278335)
  * cpupower: Fix incorrect size in cpuidle_state_disable()
  * cpupower: fix error return value in cpupower_write_sysfs()
  * cpupower: Fix a bug where the -t option of the set subcommand was not
    working
  * cpupower: Fix the snapshot-order of tsc,mperf, clock in mperf_stop()

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-4890

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libcpupower1-6.4.0-150700.9.6.2
    * cpupower-debugsource-6.4.0-150700.9.6.2
    * cpupower-devel-6.4.0-150700.9.6.2
    * cpupower-debuginfo-6.4.0-150700.9.6.2
    * cpupower-6.4.0-150700.9.6.2
    * libcpupower1-debuginfo-6.4.0-150700.9.6.2
  * Basesystem Module 15-SP7 (noarch)
    * cpupower-bash-completion-6.4.0-150700.9.6.2
    * cpupower-lang-6.4.0-150700.9.6.2

## References:

  * https://www.suse.com/security/cve/CVE-2026-80663.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1278335

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