# Security update for glibc

Announcement ID: SUSE-SU-2024:1895-2  
Rating: important  
References:

  * bsc#1221940
  * bsc#1223423
  * bsc#1223424
  * bsc#1223425

  
Cross-References:

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

  
CVSS scores:

  * 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 Micro 5.5

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for glibc fixes the following issues:

  * CVE-2024-33599: Fixed a stack-based buffer overflow in netgroup cache in
    nscd (bsc#1223423)
  * CVE-2024-33600: Avoid null pointer crashes after notfound response in nscd
    (bsc#1223424)
  * CVE-2024-33600: Do not send missing not-found response in addgetnetgrentX in
    nscd (bsc#1223424)
  * CVE-2024-33601, CVE-2024-33602: Fixed use of two buffers in addgetnetgrentX
    ( bsc#1223425)
  * CVE-2024-33602: Use time_t for return type of addgetnetgrentX (bsc#1223425)

  * Avoid creating userspace live patching prologue for _start routine
    (bsc#1221940)

## 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 Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2024-1895=1

## Package List:

  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * glibc-devel-debuginfo-2.31-150300.83.1
    * glibc-locale-base-2.31-150300.83.1
    * glibc-locale-base-debuginfo-2.31-150300.83.1
    * glibc-debuginfo-2.31-150300.83.1
    * glibc-devel-2.31-150300.83.1
    * glibc-locale-2.31-150300.83.1
    * glibc-debugsource-2.31-150300.83.1
    * glibc-2.31-150300.83.1

## References:

  * 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=1221940
  * 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