Upstream information

CVE-2021-3998 at MITRE

Description

A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  CNA (CISA-ADP) National Vulnerability Database SUSE
Base Score 7.5 7.5 5.9
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network Network Network
Attack Complexity Low Low High
Privileges Required None None None
User Interaction None None None
Scope Unchanged Unchanged Unchanged
Confidentiality Impact High High High
Integrity Impact None None None
Availability Impact None None None
CVSSv3 Version 3.1 3.1 3.1
SUSE Bugzilla entry: 1194620 [RESOLVED / UPSTREAM]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 15 SP6
SUSE Linux Enterprise High Performance Computing 15 SP6
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server for SAP Applications 15 SP6
  • glibc >= 2.38-150600.12.1
  • glibc-32bit >= 2.38-150600.12.1
  • glibc-devel >= 2.38-150600.12.1
  • glibc-devel-32bit >= 2.38-150600.12.1
  • glibc-devel-static >= 2.38-150600.12.1
  • glibc-extra >= 2.38-150600.12.1
  • glibc-i18ndata >= 2.38-150600.12.1
  • glibc-info >= 2.38-150600.12.1
  • glibc-lang >= 2.38-150600.12.1
  • glibc-locale >= 2.38-150600.12.1
  • glibc-locale-base >= 2.38-150600.12.1
  • glibc-locale-base-32bit >= 2.38-150600.12.1
  • glibc-profile >= 2.38-150600.12.1
  • glibc-utils >= 2.38-150600.12.1
  • libnsl1 >= 2.38-150600.12.1
  • libnsl1-32bit >= 2.38-150600.12.1
  • nscd >= 2.38-150600.12.1
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP6 GA glibc-2.38-150600.12.1
SUSE Linux Enterprise Module for Development Tools 15 SP6 GA glibc-devel-32bit-2.38-150600.12.1
SUSE Linux Enterprise Desktop 15 SP7
SUSE Linux Enterprise High Performance Computing 15 SP7
SUSE Linux Enterprise Server 15 SP7
SUSE Linux Enterprise Server for SAP Applications 15 SP7
  • glibc >= 2.38-150600.14.29.1
  • glibc-32bit >= 2.38-150600.14.29.1
  • glibc-devel >= 2.38-150600.14.29.1
  • glibc-devel-32bit >= 2.38-150600.14.29.1
  • glibc-devel-static >= 2.38-150600.14.29.1
  • glibc-extra >= 2.38-150600.14.29.1
  • glibc-i18ndata >= 2.38-150600.14.29.1
  • glibc-info >= 2.38-150600.14.29.1
  • glibc-lang >= 2.38-150600.14.29.1
  • glibc-locale >= 2.38-150600.14.29.1
  • glibc-locale-base >= 2.38-150600.14.29.1
  • glibc-locale-base-32bit >= 2.38-150600.14.29.1
  • glibc-profile >= 2.38-150600.14.29.1
  • glibc-utils >= 2.38-150600.14.29.1
  • libnsl1 >= 2.38-150600.14.29.1
  • libnsl1-32bit >= 2.38-150600.14.29.1
  • nscd >= 2.38-150600.14.29.1
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP7 GA glibc-2.38-150600.14.29.1
SUSE Linux Enterprise Module for Development Tools 15 SP7 GA glibc-devel-32bit-2.38-150600.14.29.1
SUSE Linux Enterprise Module for Basesystem 15 SP6
  • glibc >= 2.38-150600.12.1
  • glibc-32bit >= 2.38-150600.12.1
  • glibc-devel >= 2.38-150600.12.1
  • glibc-extra >= 2.38-150600.12.1
  • glibc-i18ndata >= 2.38-150600.12.1
  • glibc-info >= 2.38-150600.12.1
  • glibc-lang >= 2.38-150600.12.1
  • glibc-locale >= 2.38-150600.12.1
  • glibc-locale-base >= 2.38-150600.12.1
  • glibc-locale-base-32bit >= 2.38-150600.12.1
  • glibc-profile >= 2.38-150600.12.1
  • libnsl1 >= 2.38-150600.12.1
  • libnsl1-32bit >= 2.38-150600.12.1
  • nscd >= 2.38-150600.12.1
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP6 GA glibc-2.38-150600.12.1
SUSE Linux Enterprise Module for Basesystem 15 SP7
  • glibc >= 2.38-150600.14.29.1
  • glibc-32bit >= 2.38-150600.14.29.1
  • glibc-devel >= 2.38-150600.14.29.1
  • glibc-extra >= 2.38-150600.14.29.1
  • glibc-i18ndata >= 2.38-150600.14.29.1
  • glibc-info >= 2.38-150600.14.29.1
  • glibc-lang >= 2.38-150600.14.29.1
  • glibc-locale >= 2.38-150600.14.29.1
  • glibc-locale-base >= 2.38-150600.14.29.1
  • glibc-locale-base-32bit >= 2.38-150600.14.29.1
  • glibc-profile >= 2.38-150600.14.29.1
  • libnsl1 >= 2.38-150600.14.29.1
  • libnsl1-32bit >= 2.38-150600.14.29.1
  • nscd >= 2.38-150600.14.29.1
 Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP7 GA glibc-2.38-150600.14.29.1
SUSE Linux Enterprise Module for Development Tools 15 SP6
  • glibc-devel-32bit >= 2.38-150600.12.1
  • glibc-devel-static >= 2.38-150600.12.1
  • glibc-utils >= 2.38-150600.12.1
 Patchnames:
SUSE Linux Enterprise Module for Development Tools 15 SP6 GA glibc-devel-32bit-2.38-150600.12.1
SUSE Linux Enterprise Module for Development Tools 15 SP7
  • glibc-devel-32bit >= 2.38-150600.14.29.1
  • glibc-devel-static >= 2.38-150600.14.29.1
  • glibc-utils >= 2.38-150600.14.29.1
 Patchnames:
SUSE Linux Enterprise Module for Development Tools 15 SP7 GA glibc-devel-32bit-2.38-150600.14.29.1
SUSE Linux Micro 6.0
  • glibc >= 2.38-6.4
  • glibc-devel >= 2.38-6.4
  • glibc-locale >= 2.38-6.4
  • glibc-locale-base >= 2.38-6.4
 Patchnames:
SUSE Linux Micro 6.0 GA glibc-2.38-6.4
SUSE Linux Micro 6.1
  • glibc >= 2.38-slfo.1.1_1.4
  • glibc-devel >= 2.38-slfo.1.1_1.4
  • glibc-locale >= 2.38-slfo.1.1_1.4
  • glibc-locale-base >= 2.38-slfo.1.1_1.4
 Patchnames:
SUSE Linux Micro 6.1 GA glibc-2.38-slfo.1.1_1.4
openSUSE Tumbleweed
  • glibc >= 2.35-1.1
  • glibc-devel >= 2.35-1.1
  • glibc-devel-static >= 2.35-1.1
  • glibc-extra >= 2.35-1.1
  • glibc-html >= 2.35-1.1
  • glibc-i18ndata >= 2.35-1.1
  • glibc-info >= 2.35-1.1
  • glibc-lang >= 2.35-1.1
  • glibc-locale >= 2.35-1.1
  • glibc-locale-base >= 2.35-1.1
  • glibc-profile >= 2.35-1.1
  • nscd >= 2.35-1.1
 Patchnames:
openSUSE-Tumbleweed-2024-11850

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SLES15-SP7-CHOST-BYOS-Aliyun glibc Already fixed
SLES15-SP7-CHOST-BYOS-Azure glibc Already fixed
SLES15-SP7-CHOST-BYOS-EC2 glibc Already fixed
SLES15-SP7-CHOST-BYOS-GCE glibc Already fixed
SLES15-SP7-CHOST-BYOS-GDC glibc Already fixed
SLES15-SP7-CHOST-BYOS-SAP-CCloud glibc Already fixed
SUSE Linux Enterprise Desktop 15 SP6 glibc Already fixed
SUSE Linux Enterprise Desktop 15 SP7 glibc Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP6 glibc Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 glibc Already fixed
SUSE Linux Enterprise Micro 5.1 glibc Not affected
SUSE Linux Enterprise Micro 5.2 glibc Not affected
SUSE Linux Enterprise Micro 5.3 glibc Not affected
SUSE Linux Enterprise Micro 5.4 glibc Not affected
SUSE Linux Enterprise Micro 5.5 glibc Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 glibc Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP7 glibc Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP6 glibc Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP7 glibc Already fixed
SUSE Linux Enterprise Server 15 SP6 glibc Already fixed
SUSE Linux Enterprise Server 15 SP7 glibc Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP6 glibc Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP7 glibc Already fixed
openSUSE Leap 15.6 glibc Already fixed
Products under Long Term Service Pack support and receiving important and critical security fixes.
SLES15-EC2-CHOST-HVM-BYOS glibc Not affected
SLES15-SP1-CHOST-BYOS-Azure glibc Not affected
SLES15-SP1-CHOST-BYOS-EC2 glibc Not affected
SLES15-SP1-CHOST-BYOS-GCE glibc Not affected
SLES15-SP2-CHOST-BYOS-Aliyun glibc Not affected
SLES15-SP2-CHOST-BYOS-Azure glibc Not affected
SLES15-SP2-CHOST-BYOS-EC2 glibc Not affected
SLES15-SP2-CHOST-BYOS-GCE glibc Not affected
SLES15-SP3-CHOST-BYOS-Aliyun glibc Not affected
SLES15-SP3-CHOST-BYOS-Azure glibc Not affected
SLES15-SP3-CHOST-BYOS-EC2 glibc Not affected
SLES15-SP3-CHOST-BYOS-GCE glibc Not affected
SLES15-SP3-CHOST-BYOS-SAP-CCloud glibc Not affected
SLES15-SP4-CHOST-BYOS glibc Not affected
SLES15-SP4-CHOST-BYOS-Aliyun glibc Not affected
SLES15-SP4-CHOST-BYOS-Azure glibc Not affected
SLES15-SP4-CHOST-BYOS-EC2 glibc Not affected
SLES15-SP4-CHOST-BYOS-GCE glibc Not affected
SLES15-SP4-CHOST-BYOS-SAP-CCloud glibc Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5 glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS glibc Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 glibc Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 glibc Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 glibc Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 glibc Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP4 glibc Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP5 glibc Not affected
SUSE Linux Enterprise Module for Legacy 15 SP3 glibc Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE glibc Not affected
SUSE Linux Enterprise Server 12 SP5 glibc Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS glibc Not affected
SUSE Linux Enterprise Server 15 SP3 glibc Not affected
SUSE Linux Enterprise Server 15 SP3-LTSS glibc Not affected
SUSE Linux Enterprise Server 15 SP4 glibc Not affected
SUSE Linux Enterprise Server 15 SP4-LTSS glibc Not affected
SUSE Linux Enterprise Server 15 SP5 glibc Not affected
SUSE Linux Enterprise Server 15 SP5-LTSS glibc Not affected
SUSE Linux Enterprise Server 15-ESPOS glibc Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 glibc Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP2 glibc Not affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 glibc Not affected
SUSE Manager Proxy 4.3 glibc Not affected
SUSE Manager Proxy LTS 4.3 glibc Not affected
SUSE Manager Retail Branch Server 4.3 glibc Not affected
SUSE Manager Retail Branch Server LTS 4.3 glibc Not affected
SUSE Manager Server 4.3 glibc Not affected
SUSE Manager Server LTS 4.3 glibc Not affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 glibc Not affected
SUSE CaaS Platform 3.0 glibc Not affected
SUSE CaaS Platform 4.0 glibc Not affected
SUSE CaaS Platform Toolchain 3 glibc Not affected
SUSE Enterprise Storage 6 glibc Not affected
SUSE Enterprise Storage 7 glibc Not affected
SUSE Enterprise Storage 7.1 glibc Not affected
SUSE Linux Enterprise Desktop 11 SP3 glibc Not affected
SUSE Linux Enterprise Desktop 11 SP4 glibc Not affected
SUSE Linux Enterprise Desktop 12 SP2 glibc Not affected
SUSE Linux Enterprise Desktop 12 SP3 glibc Not affected
SUSE Linux Enterprise Desktop 12 SP4 glibc Not affected
SUSE Linux Enterprise Desktop 15 glibc Not affected
SUSE Linux Enterprise Desktop 15 SP1 glibc Not affected
SUSE Linux Enterprise Desktop 15 SP2 glibc Not affected
SUSE Linux Enterprise Desktop 15 SP3 glibc Not affected
SUSE Linux Enterprise Desktop 15 SP4 glibc Not affected
SUSE Linux Enterprise Desktop 15 SP5 glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS glibc Not affected
SUSE Linux Enterprise High Performance Computing 15-LTSS glibc Not affected
SUSE Linux Enterprise Micro 5.0 glibc Not affected
SUSE Linux Enterprise Module for Basesystem 15 glibc Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 glibc Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 glibc Not affected
SUSE Linux Enterprise Module for Development Tools 15 glibc Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP1 glibc Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP2 glibc Not affected
SUSE Linux Enterprise Point of Sale 11 SP3 glibc Not affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT glibc Not affected
SUSE Linux Enterprise Real Time 15 SP2 glibc Not affected
SUSE Linux Enterprise Real Time 15 SP3 glibc Not affected
SUSE Linux Enterprise Real Time 15 SP4 glibc Not affected
SUSE Linux Enterprise Server 11 SP1-LTSS glibc Not affected
SUSE Linux Enterprise Server 11 SP3 glibc Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS glibc Not affected
SUSE Linux Enterprise Server 11 SP4 glibc Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS glibc Not affected
SUSE Linux Enterprise Server 12 SP2 glibc Not affected
SUSE Linux Enterprise Server 12 SP2-BCL glibc Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS glibc Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS glibc Not affected
SUSE Linux Enterprise Server 12 SP3 glibc Not affected
SUSE Linux Enterprise Server 12 SP3-BCL glibc Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS glibc Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS glibc Not affected
SUSE Linux Enterprise Server 12 SP4 glibc Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS glibc Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS glibc Not affected
SUSE Linux Enterprise Server 15 glibc Not affected
SUSE Linux Enterprise Server 15 SP1 glibc Not affected
SUSE Linux Enterprise Server 15 SP1-BCL glibc Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS glibc Not affected
SUSE Linux Enterprise Server 15 SP2 glibc Not affected
SUSE Linux Enterprise Server 15 SP2-BCL glibc Not affected
SUSE Linux Enterprise Server 15 SP2-LTSS glibc Not affected
SUSE Linux Enterprise Server 15 SP3-BCL glibc Not affected
SUSE Linux Enterprise Server 15-LTSS glibc Not affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 15 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 glibc Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 glibc Not affected
SUSE Linux Enterprise Software Development Kit 11 SP3 glibc Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4 glibc Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2 glibc Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3 glibc Not affected
SUSE Linux Enterprise Software Development Kit 12 SP4 glibc Not affected
SUSE Linux Enterprise Software Development Kit 12 SP5 glibc Not affected
SUSE Manager Proxy 4.0 glibc Not affected
SUSE Manager Proxy 4.1 glibc Not affected
SUSE Manager Proxy 4.2 glibc Not affected
SUSE Manager Retail Branch Server 4.0 glibc Not affected
SUSE Manager Retail Branch Server 4.1 glibc Not affected
SUSE Manager Retail Branch Server 4.2 glibc Not affected
SUSE Manager Server 4.0 glibc Not affected
SUSE Manager Server 4.1 glibc Not affected
SUSE Manager Server 4.2 glibc Not affected
SUSE OpenStack Cloud 7 glibc Not affected
SUSE OpenStack Cloud 8 glibc Not affected
SUSE OpenStack Cloud 9 glibc Not affected
SUSE OpenStack Cloud Crowbar 8 glibc Not affected
SUSE OpenStack Cloud Crowbar 9 glibc Not affected
openSUSE Leap 15.3 glibc Not affected
openSUSE Leap 15.4 glibc Not affected
openSUSE Leap 15.5 glibc Not affected
openSUSE Leap Micro 5.2 glibc Not affected
openSUSE Leap Micro 5.3 glibc Not affected
openSUSE Leap Micro 5.4 glibc Not affected
openSUSE Leap Micro 5.5 glibc Not affected

SUSE Timeline for this CVE

CVE page created: Tue Jan 11 19:01:42 2022
CVE page last modified: Sun Sep 28 14:32:33 2025