SUSE-SU-2026:21419-1: moderate: Security update for openCryptoki

[SLE-SECURITY-UPDATES]

# Security update for openCryptoki

Announcement ID: SUSE-SU-2026:21419-1  
Release Date: 2026-04-28T10:44:27Z  
Rating: moderate  
References:

  * bsc#1248002
  * bsc#1257116
  * bsc#1262283

  
Cross-References:

  * CVE-2026-23893
  * CVE-2026-40253

  
CVSS scores:

  * CVE-2026-23893 ( SUSE ):  6.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L
  * CVE-2026-23893 ( NVD ):  6.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L
  * CVE-2026-40253 ( SUSE ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-40253 ( SUSE ):  6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-40253 ( NVD ):  6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-40253 ( NVD ):  6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

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

## Description:

This update for openCryptoki fixes the following issues:

  * CVE-2026-23893: use of symlinks in group-writable token directories can lead
    to privilege escalation and data exposure (bsc#1257116).
  * CVE-2026-40253: malformed BER-encoded cryptographic objects can lead to
    information disclosure and denial of service (bsc#1262283).

## 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-6.0-689=1

## Package List:

  * SUSE Linux Micro 6.0 (s390x)
    * openCryptoki-3.23.0-2.1
    * openCryptoki-debuginfo-3.23.0-2.1
    * openCryptoki-debugsource-3.23.0-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-23893.html
  * https://www.suse.com/security/cve/CVE-2026-40253.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1248002
  * https://bugzilla.suse.com/show_bug.cgi?id=1257116
  * https://bugzilla.suse.com/show_bug.cgi?id=1262283

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