SUSE-SU-2025:20051-1: important: Security update for krb5

[SLE-SECURITY-UPDATES]

# Security update for krb5

Announcement ID: SUSE-SU-2025:20051-1  
Release Date: 2025-02-03T08:56:22Z  
Rating: important  
References:

  * bsc#1220770
  * bsc#1220771
  * bsc#1220772
  * bsc#1227186
  * bsc#1227187

  
Cross-References:

  * CVE-2024-26458
  * CVE-2024-26461
  * CVE-2024-26462
  * CVE-2024-37370
  * CVE-2024-37371

  
CVSS scores:

  * CVE-2024-26458 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-26458 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2024-26461 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-26461 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-26462 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-26462 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-26462 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-37370 ( SUSE ):  7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
  * CVE-2024-37370 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2024-37370 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-37371 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-37371 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  * CVE-2024-37371 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0
  * SUSE Linux Micro Extras 6.0

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for krb5 fixes the following issues:

  * CVE-2024-37370: Confidential GSS krb5 wrap tokens with invalid plaintext
    Extra Count fields were erroneously accepted during unwrap (bsc#1227186)
  * CVE-2024-37371: Fixed invalid memory read when processing message tokens
    with invalid length fields (bsc#1227187)
  * CVE-2024-26458: Fixed memory leak at /krb5/src/lib/rpc/pmap_rmt.c
    (bsc#1220770)
  * CVE-2024-26461: Fixed memory leak at /krb5/src/lib/gssapi/krb5/k5sealv3.c
    (bsc#1220771)
  * CVE-2024-26462: Fixed memory leak at /krb5/src/kdc/ndr.c (bsc#1220772)

## 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 Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-74=1

  * SUSE Linux Micro Extras 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-74=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * krb5-debugsource-1.20.1-5.1
    * krb5-1.20.1-5.1
    * krb5-debuginfo-1.20.1-5.1
  * SUSE Linux Micro Extras 6.0 (aarch64 s390x x86_64)
    * krb5-mini-debugsource-1.20.1-5.1
    * krb5-mini-debuginfo-1.20.1-5.1
    * krb5-mini-1.20.1-5.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-26458.html
  * https://www.suse.com/security/cve/CVE-2024-26461.html
  * https://www.suse.com/security/cve/CVE-2024-26462.html
  * https://www.suse.com/security/cve/CVE-2024-37370.html
  * https://www.suse.com/security/cve/CVE-2024-37371.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1220770
  * https://bugzilla.suse.com/show_bug.cgi?id=1220771
  * https://bugzilla.suse.com/show_bug.cgi?id=1220772
  * https://bugzilla.suse.com/show_bug.cgi?id=1227186
  * https://bugzilla.suse.com/show_bug.cgi?id=1227187

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