SUSE-RU-2026:3850-1: moderate: Recommended update for ethtool

[SLE-UPDATES]

# Recommended update for ethtool

Announcement ID: SUSE-RU-2026:3850-1  
Release Date: 2026-08-28T09:27:23Z  
Rating: moderate  
References:

  * bsc#1224590
  * bsc#1261256

  
Affected Products:

  * Basesystem Module 15-SP7
  * openSUSE Leap 15.6
  * 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 has two fixes can now be installed.

## Description:

This update for ethtool fixes the following issues:

  * backport Rx CQE coalescing support (bsc#1261256):
    * sync UAPI header copies with SLE15-SP7
    * adds netlink support for configuring receive completion queue event (RX CQE) coalesce modes
  * backport post-6.4 upstream fixes (bsc#1224590):
    * Fix index calculation in RTTPT2C register dump loop
    * netlink: add NULL check for get_string in features.c
    * qsfp: Better handling of Page 03h netlink read failure
    * ethtool: 
      * Fix argument check in do_srxfh function to prevent segmentation fault
      * Fix incorrect success return value on RX net
      * Fix JSON output for IRQ coalescing
      * netlink-rss: retrieve ring count using ETHTOOL_GRXRIN
  * update guards script (address a warning with new perl version)

## 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-SP7-2026-3850=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-3850=1

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * ethtool-6.4-150600.7.6.1
    * ethtool-debugsource-6.4-150600.7.6.1
    * ethtool-debuginfo-6.4-150600.7.6.1
  * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
    * ethtool-6.4-150600.7.6.1
    * ethtool-debugsource-6.4-150600.7.6.1
    * ethtool-debuginfo-6.4-150600.7.6.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1224590
  * https://bugzilla.suse.com/show_bug.cgi?id=1261256

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