SUSE-SU-2026:5101-1: important: Security update for aws-efs-utils

Thu Nov 5 08:30:45 UTC 2026

# Security update for aws-efs-utils

Announcement ID: SUSE-SU-2026:5101-1  
Release Date: 2026-11-04T18:01:29Z  
Rating: important  
References:

  * bsc#1263683
  * bsc#1272349
  * bsc#1272354
  * bsc#1274202
  * bsc#1275449
  * bsc#1275450
  * bsc#1281947

Cross-References:

  * CVE-2026-16317
  * CVE-2026-16318
  * CVE-2026-25541

CVSS scores:

  * CVE-2026-16317 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
  * CVE-2026-16317 ( NVD ):  8.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-16317 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
  * CVE-2026-16318 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-16318 ( NVD ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-16318 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-25541 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-25541 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-25541 ( NVD ):  5.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-25541 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

  * openSUSE Leap 15.6
  * Public Cloud Module 15-SP6
  * Public Cloud Module 15-SP7
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves three vulnerabilities and has four security fixes can now
be installed.

## Description:

This update for aws-efs-utils fixes the following issues:

Security issues fixed:

  * CVE-2026-16317: s2n-tls: man-in-the-middle attack can silently discard
    individual application data records (bsc#1272354).
  * CVE-2026-16318: s2n-tls: denial of service due to memory leak in QUIC
    transport parameters handler (bsc#1272349).
  * CVE-2026-25541: bytes: integer overflow in `BytesMut:reserve` can lead to
    undefined behavior and crashes (bsc#1274202).

Changes for aws-efs-utils:

  * Update to version 3.3.4

## 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:

  * Public Cloud Module 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP6-2026-5101

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-5101

  * Public Cloud Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP7-2026-5101

## Package List:

  * Public Cloud Module 15-SP6 (aarch64 x86_64)
    * aws-efs-utils-3.3.4-150600.17.12.1
  * openSUSE Leap 15.6 (aarch64 x86_64)
    * aws-efs-utils-debugsource-3.3.4-150600.17.12.1
    * aws-efs-utils-3.3.4-150600.17.12.1
    * aws-efs-utils-debuginfo-3.3.4-150600.17.12.1
  * Public Cloud Module 15-SP7 (aarch64 x86_64)
    * aws-efs-utils-3.3.4-150600.17.12.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-16317.html
  * https://www.suse.com/security/cve/CVE-2026-16318.html
  * https://www.suse.com/security/cve/CVE-2026-25541.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1263683
  * https://bugzilla.suse.com/show_bug.cgi?id=1272349
  * https://bugzilla.suse.com/show_bug.cgi?id=1272354
  * https://bugzilla.suse.com/show_bug.cgi?id=1274202
  * https://bugzilla.suse.com/show_bug.cgi?id=1275449
  * https://bugzilla.suse.com/show_bug.cgi?id=1275450
  * https://bugzilla.suse.com/show_bug.cgi?id=1281947

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