# Security update for glibc

Announcement ID: SUSE-SU-2024:1977-1  
Rating: important  
References:

  * bsc#1222992
  * bsc#1223423
  * bsc#1223424
  * bsc#1223425

  
Cross-References:

  * CVE-2024-2961
  * CVE-2024-33599
  * CVE-2024-33600
  * CVE-2024-33601
  * CVE-2024-33602

  
CVSS scores:

  * CVE-2024-2961 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2024-33599 ( SUSE ):  7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
  * CVE-2024-33600 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-33601 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-33602 ( SUSE ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP2
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for glibc fixes the following issues:

  * nscd: Release read lock after resetting timeout
  * nscd: Fix use-after-free in addgetnetgrentX (BZ #23520)
  * CVE-2024-33599; nscd: Stack-based buffer overflow in netgroup cache
    (bsc#1223423, BZ #31677)
  * CVE-2024-33600; nscd: Avoid null pointer crashes after notfound response
    (bsc#1223424, BZ #31678)
  * CVE-2024-33600: nscd: Do not send missing not-found response in
    addgetnetgrentX (bsc#1223424, BZ #31678)
  * CVE-2024-33601, CVE-2024-33602: netgroup: Use two buffers in addgetnetgrentX
    (bsc#1223425, BZ #31680)
  * CVE-2024-33602: Use time_t for return type of addgetnetgrentX (bsc#1223425)
  * CVE-2024-2961: iconv: ISO-2022-CN-EXT: fix out-of-bound writes when writing
    escape sequence (bsc#1222992)

## 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 High Performance Computing 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2024-1977=1

  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2024-1977=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP2  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2024-1977=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (aarch64
    x86_64)
    * glibc-debugsource-2.26-150000.13.73.1
    * glibc-utils-2.26-150000.13.73.1
    * glibc-profile-2.26-150000.13.73.1
    * glibc-devel-debuginfo-2.26-150000.13.73.1
    * glibc-extra-2.26-150000.13.73.1
    * glibc-2.26-150000.13.73.1
    * glibc-devel-2.26-150000.13.73.1
    * glibc-extra-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-2.26-150000.13.73.1
    * glibc-utils-debuginfo-2.26-150000.13.73.1
    * glibc-debuginfo-2.26-150000.13.73.1
    * glibc-locale-2.26-150000.13.73.1
    * glibc-utils-src-debugsource-2.26-150000.13.73.1
    * nscd-2.26-150000.13.73.1
    * nscd-debuginfo-2.26-150000.13.73.1
    * glibc-devel-static-2.26-150000.13.73.1
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (noarch)
    * glibc-info-2.26-150000.13.73.1
    * glibc-i18ndata-2.26-150000.13.73.1
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (nosrc)
    * glibc-utils-src-2.26-150000.13.73.1
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (x86_64)
    * glibc-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-32bit-2.26-150000.13.73.1
    * glibc-32bit-2.26-150000.13.73.1
    * glibc-devel-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-devel-32bit-2.26-150000.13.73.1
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 ppc64le s390x
    x86_64)
    * glibc-debugsource-2.26-150000.13.73.1
    * glibc-utils-2.26-150000.13.73.1
    * glibc-profile-2.26-150000.13.73.1
    * glibc-devel-debuginfo-2.26-150000.13.73.1
    * glibc-extra-2.26-150000.13.73.1
    * glibc-2.26-150000.13.73.1
    * glibc-devel-2.26-150000.13.73.1
    * glibc-extra-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-2.26-150000.13.73.1
    * glibc-utils-debuginfo-2.26-150000.13.73.1
    * glibc-debuginfo-2.26-150000.13.73.1
    * glibc-locale-2.26-150000.13.73.1
    * glibc-utils-src-debugsource-2.26-150000.13.73.1
    * nscd-2.26-150000.13.73.1
    * nscd-debuginfo-2.26-150000.13.73.1
    * glibc-devel-static-2.26-150000.13.73.1
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (noarch)
    * glibc-info-2.26-150000.13.73.1
    * glibc-i18ndata-2.26-150000.13.73.1
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (nosrc)
    * glibc-utils-src-2.26-150000.13.73.1
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (x86_64)
    * glibc-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-32bit-2.26-150000.13.73.1
    * glibc-32bit-2.26-150000.13.73.1
    * glibc-devel-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-devel-32bit-2.26-150000.13.73.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (ppc64le x86_64)
    * glibc-debugsource-2.26-150000.13.73.1
    * glibc-utils-2.26-150000.13.73.1
    * glibc-profile-2.26-150000.13.73.1
    * glibc-devel-debuginfo-2.26-150000.13.73.1
    * glibc-extra-2.26-150000.13.73.1
    * glibc-2.26-150000.13.73.1
    * glibc-devel-2.26-150000.13.73.1
    * glibc-extra-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-2.26-150000.13.73.1
    * glibc-utils-debuginfo-2.26-150000.13.73.1
    * glibc-debuginfo-2.26-150000.13.73.1
    * glibc-locale-2.26-150000.13.73.1
    * glibc-utils-src-debugsource-2.26-150000.13.73.1
    * nscd-2.26-150000.13.73.1
    * nscd-debuginfo-2.26-150000.13.73.1
    * glibc-devel-static-2.26-150000.13.73.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (noarch)
    * glibc-info-2.26-150000.13.73.1
    * glibc-i18ndata-2.26-150000.13.73.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (nosrc)
    * glibc-utils-src-2.26-150000.13.73.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (x86_64)
    * glibc-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-32bit-2.26-150000.13.73.1
    * glibc-32bit-2.26-150000.13.73.1
    * glibc-devel-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-locale-base-32bit-debuginfo-2.26-150000.13.73.1
    * glibc-devel-32bit-2.26-150000.13.73.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-2961.html
  * https://www.suse.com/security/cve/CVE-2024-33599.html
  * https://www.suse.com/security/cve/CVE-2024-33600.html
  * https://www.suse.com/security/cve/CVE-2024-33601.html
  * https://www.suse.com/security/cve/CVE-2024-33602.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1222992
  * https://bugzilla.suse.com/show_bug.cgi?id=1223423
  * https://bugzilla.suse.com/show_bug.cgi?id=1223424
  * https://bugzilla.suse.com/show_bug.cgi?id=1223425