Fedora 43 opencryptoki Privilege Escalation Risk CVE-2026-23893
fedora
May 21, 2026
Fix CVE-2026-23893, Privilege Escalation or Data Exposure via Symlink Following
Summary
Opencryptoki implements the PKCS#11 specification v3.0 and partially v3.1
for a set of cryptographic hardware, such as IBM 4767, 4768, 4769 and 4770
crypto cards, and the Trusted Platform Module (TPM) chip. Opencryptoki also
brings a software token implementation that can be used without any cryptographic
hardware.
This package contains the Slot Daemon (pkcsslotd) and general utilities.
Update Information:
Fix CVE-2026-23893, Privilege Escalation or Data Exposure via Symlink Following
Change Log
* Tue May 5 2026 Than Ngo
References
[ 1 ] Bug #2432016 - CVE-2026-23893 opencryptoki: openCryptoki: Privilege Escalation or Data Exposure via Symlink Following [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2432016
[ 2 ] Bug #2432017 - CVE-2026-23893 opencryptoki: openCryptoki: Privilege Escalation or Data Exposure via Symlink Following [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2432017
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-6c3b6ec624' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Severity
important
Lowest
Low
Medium
High
Critical
Name: opencryptoki
Product: Fedora 43
Version: 3.26.0
Release: 3.fc43
Summary: Implementation of the PKCS#11 (Cryptoki) specification v3.0 and partially v3.1
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