{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2026-31979","title":"Title"},{"category":"description","text":"Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Prior to 3.1.0 and 2.3.8, the himmelblaud-tasks daemon, running as root, writes Kerberos cache files under /tmp/krb5cc_<uid> without symlink protections. Since commit 87a51ee, PrivateTmp is explicitly removed from the tasks daemon's systemd hardening, exposing it to the host /tmp. A local user can exploit this via symlink attacks to chown or overwrite arbitrary files, achieving local privilege escalation. This vulnerability is fixed in 3.1.0 and 2.3.8.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2026-31979","url":"https://www.suse.com/security/cve/CVE-2026-31979"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1259548 for CVE-2026-31979","url":"https://bugzilla.suse.com/1259548"}],"title":"SUSE CVE 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Prior to 3.1.0 and 2.3.8, the himmelblaud-tasks daemon, running as root, writes Kerberos cache files under /tmp/krb5cc_<uid> without symlink protections. Since commit 87a51ee, PrivateTmp is explicitly removed from the tasks daemon's systemd hardening, exposing it to the host /tmp. A local user can exploit this via symlink attacks to chown or overwrite arbitrary files, achieving local privilege escalation. This vulnerability is fixed in 3.1.0 and 2.3.8.","title":"CVE description"}],"product_status":{"known_not_affected":["SUSE Linux Enterprise Desktop 15 SP7:himmelblau","SUSE Linux Enterprise Desktop 15 SP7:himmelblau-sshd-config","SUSE Linux Enterprise Desktop 15 SP7:libnss_himmelblau2","SUSE Linux Enterprise Desktop 15 SP7:pam-himmelblau","SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:himmelblau","SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:himmelblau-sshd-config","SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:himmelblau-sso","SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:libnss_himmelblau2","SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:pam-himmelblau","SUSE Linux Enterprise High Performance Computing 15 SP7:himmelblau","SUSE Linux Enterprise High Performance Computing 15 SP7:himmelblau-sshd-config","SUSE Linux Enterprise High Performance Computing 15 SP7:libnss_himmelblau2","SUSE Linux Enterprise High 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