# Security update for gnutls

Announcement ID: SUSE-SU-2024:2546-1  
Rating: moderate  
References:

  * bsc#1221242
  * bsc#1221746
  * bsc#1221747

  
Cross-References:

  * CVE-2024-28834
  * CVE-2024-28835

  
CVSS scores:

  * CVE-2024-28834 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2024-28835 ( SUSE ):  5.0 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.3

  
  
An update that solves two vulnerabilities and has one security fix can now be
installed.

## Description:

This update for gnutls fixes the following issues:

  * CVE-2024-28835: Fixed a certtool crash when verifying a certificate chain
    (bsc#1221747).
  * CVE-2024-28834: Fixed a side-channel attack in the deterministic ECDSA
    (bsc#1221746).

Other fixes:

  * Fixed a memory leak when using the entropy collector (bsc#1221242).

## 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 for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2024-2546=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2024-2546=1

## Package List:

  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * gnutls-debuginfo-3.7.3-150400.8.1
    * gnutls-debugsource-3.7.3-150400.8.1
    * libgnutls30-3.7.3-150400.8.1
    * libgnutls30-hmac-3.7.3-150400.8.1
    * gnutls-3.7.3-150400.8.1
    * libgnutls30-debuginfo-3.7.3-150400.8.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * gnutls-debuginfo-3.7.3-150400.8.1
    * gnutls-debugsource-3.7.3-150400.8.1
    * libgnutls30-3.7.3-150400.8.1
    * libgnutls30-hmac-3.7.3-150400.8.1
    * gnutls-3.7.3-150400.8.1
    * libgnutls30-debuginfo-3.7.3-150400.8.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-28834.html
  * https://www.suse.com/security/cve/CVE-2024-28835.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1221242
  * https://bugzilla.suse.com/show_bug.cgi?id=1221746
  * https://bugzilla.suse.com/show_bug.cgi?id=1221747