# Security update for gnutls

Announcement ID: SUSE-SU-2024:1271-3  
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 5.5

  
  
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-2024-28834: Fixed side-channel in the deterministic ECDSA (bsc#1221746)
  * CVE-2024-28835: Fixed denial of service during certificate chain
    verification (bsc#1221747)

Other fixes: \- jitterentropy: Release the memory of the entropy collector when
using jitterentropy with phtreads as there is also a pre-intitization done in
the main thread (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 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2024-1271=1

## Package List:

  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * gnutls-3.7.3-150400.4.44.1
    * gnutls-debugsource-3.7.3-150400.4.44.1
    * gnutls-debuginfo-3.7.3-150400.4.44.1
    * libgnutls30-hmac-3.7.3-150400.4.44.1
    * libgnutls30-3.7.3-150400.4.44.1
    * libgnutls30-debuginfo-3.7.3-150400.4.44.1

## 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