SUSE-SU-2026:5123-1: important: Security update for cpupower

[SLE-SECURITY-UPDATES]

# Security update for cpupower

Announcement ID: SUSE-SU-2026:5123-1  
Release Date: 2026-11-05T18:11:45Z  
Rating: important  
References:

  * bsc#1233119
  * bsc#1241175
  * 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:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves one vulnerability and has two security fixes 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 these fixes: \- intel-speed-select:
Harden daemon pidfile open (CVE-2026-80663 bsc#1278335) \- turbostat: Increase
the limit for fd opened (bsc#1233119). \- turbostat: report CoreThr per
measurement interval \- turbostat: Increase CPU_SUBSET_MAXCPUS to 8192
(bsc#1241175) \- turbostat: Fix trailing '\n' parsing \- turbostat: Increase the
limit for fd opened \- cpupower: Fix incorrect size in cpuidle_state_disable()
\- cpupower: Add missing powercap_set_enabled() stub function \- cpupower: fix
TSC MHz calculation \- 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:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-5123

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-5123

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-5123

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * cpupower-debugsource-6.4.0-150600.4.10.1
    * cpupower-6.4.0-150600.4.10.1
    * libcpupower1-6.4.0-150600.4.10.1
    * libcpupower1-debuginfo-6.4.0-150600.4.10.1
    * cpupower-debuginfo-6.4.0-150600.4.10.1
    * cpupower-devel-6.4.0-150600.4.10.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
    * cpupower-lang-6.4.0-150600.4.10.1
    * cpupower-bash-completion-6.4.0-150600.4.10.1
  * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
    * cpupower-debugsource-6.4.0-150600.4.10.1
    * cpupower-6.4.0-150600.4.10.1
    * cpupower-bench-debuginfo-6.4.0-150600.4.10.1
    * cpupower-bench-6.4.0-150600.4.10.1
    * libcpupower1-6.4.0-150600.4.10.1
    * libcpupower1-debuginfo-6.4.0-150600.4.10.1
    * cpupower-rebuild-6.4.0-150600.4.10.1
    * cpupower-debuginfo-6.4.0-150600.4.10.1
    * cpupower-devel-6.4.0-150600.4.10.1
  * openSUSE Leap 15.6 (noarch)
    * cpupower-lang-6.4.0-150600.4.10.1
    * cpupower-bash-completion-6.4.0-150600.4.10.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * cpupower-debugsource-6.4.0-150600.4.10.1
    * cpupower-6.4.0-150600.4.10.1
    * libcpupower1-6.4.0-150600.4.10.1
    * libcpupower1-debuginfo-6.4.0-150600.4.10.1
    * cpupower-debuginfo-6.4.0-150600.4.10.1
    * cpupower-devel-6.4.0-150600.4.10.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
    * cpupower-lang-6.4.0-150600.4.10.1
    * cpupower-bash-completion-6.4.0-150600.4.10.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-80663.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1233119
  * https://bugzilla.suse.com/show_bug.cgi?id=1241175
  * https://bugzilla.suse.com/show_bug.cgi?id=1278335

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