SUSE-SU-2026:24362-1: important: Security update for cpupower

[SLE-SECURITY-UPDATES]

# Security update for cpupower

Announcement ID: SUSE-SU-2026:24362-1  
Release Date: 2026-10-22T16:03:55Z  
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:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
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:

  * intel-speed-select: Harden daemon pidfile open (git-fixes, bsc#1278335,
    CVE-2026-80663)
  * turbostat: Fix microcode patch level output for AMD/Hygon (git-fixes)
  * cpupower: Reset errno before strtoull() (stable-fixes)
  * intel-speed-select: Fix file descriptor leak in isolate_cpus() (git-fixes)
  * cpupower: Fix incorrect size in cpuidle_state_disable() (stable-fixes)
  * cpupower: fix error return value in cpupower_write_sysfs() (stable-fixes)
  * cpufreq: Fix a bug where the -t option of the set subcommand was not working
    (stable-fixes)
  * turbostat: Clustered Uncore MHz counters should honor show/hide options
    (stable-fixes)
  * turbostat: Handle non-root legacy-uncore sysfs permissions (stable-fixes)
  * turbostat: Handle cap_get_proc() ENOSYS (stable-fixes)
  * turbostat: Fix build with musl (stable-fixes)
  * cpupower: Fix the snapshot-order of tsc,mperf, clock in mperf_stop()
    (stable-fixes)
  * power turbostat: Fix bogus SysWatt for forked program (git-fixes)
  * cpupower: bench: Prevent NULL dereference on malloc failure (stable-fixes)

## 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-1959

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1959

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * cpupower-6.12.0-160000.3.1
    * cpupower-bench-debuginfo-6.12.0-160000.3.1
    * cpupower-debuginfo-6.12.0-160000.3.1
    * cpupower-devel-6.12.0-160000.3.1
    * cpupower-debugsource-6.12.0-160000.3.1
    * libcpupower1-6.12.0-160000.3.1
    * libcpupower1-debuginfo-6.12.0-160000.3.1
    * cpupower-bench-6.12.0-160000.3.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * cpupower-bash-completion-6.12.0-160000.3.1
    * cpupower-lang-6.12.0-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * cpupower-6.12.0-160000.3.1
    * cpupower-bench-debuginfo-6.12.0-160000.3.1
    * cpupower-debuginfo-6.12.0-160000.3.1
    * cpupower-devel-6.12.0-160000.3.1
    * cpupower-debugsource-6.12.0-160000.3.1
    * libcpupower1-6.12.0-160000.3.1
    * libcpupower1-debuginfo-6.12.0-160000.3.1
    * cpupower-bench-6.12.0-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * cpupower-bash-completion-6.12.0-160000.3.1
    * cpupower-lang-6.12.0-160000.3.1

## References:

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

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