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SUSE Linux Micro 6.0 openCryptoki Moderate CVE-2026-23893 CVE-2026-40253

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Calendar Grey April 30, 2026
Scroller Suse
Update for openCryptoki addresses two vulnerabilities with moderate severity. Immediate installation is recommended for security.
An update that solves two vulnerabilities and has one fix can now be installed.

Summary

## 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

Topics%20covered

Topics Covered

security advisory moderate denial of service SuSE privilege escalation information disclosure

References

* bsc#1248002

* bsc#1257116

* bsc#1262283

Cross-

* 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.

##

* https://www.suse.com/security/cve/CVE-2026-23893.html

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

Topics%20covered

Topics Covered

security advisory moderate denial of service SuSE privilege escalation information disclosure

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