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sssd: SSSD default Kerberos configuration allows privilege escalation on AD-joined Linux systems

🗓️ 11 Nov 2025 15:28:09Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

SSSD fallback to an2ln enables privilege escalation on AD joined Linux hosts if AD changes.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64libipa_hbac0:2.9.7-4.el9_7.1libipa_hbac-0:2.9.7-4.el9_7.1.aarch64.rpm
Red Hat Enterprise Linux9i686libipa_hbac0:2.9.7-4.el9_7.1libipa_hbac-0:2.9.7-4.el9_7.1.i686.rpm
Red Hat Enterprise Linux9ppc64lelibipa_hbac0:2.9.7-4.el9_7.1libipa_hbac-0:2.9.7-4.el9_7.1.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibipa_hbac0:2.9.7-4.el9_7.1libipa_hbac-0:2.9.7-4.el9_7.1.s390x.rpm
Red Hat Enterprise Linux9x86_64libipa_hbac0:2.9.7-4.el9_7.1libipa_hbac-0:2.9.7-4.el9_7.1.x86_64.rpm
Red Hat Enterprise Linux9aarch64libipa_hbac-debuginfo0:2.9.7-4.el9_7.1libipa_hbac-debuginfo-0:2.9.7-4.el9_7.1.aarch64.rpm
Red Hat Enterprise Linux9i686libipa_hbac-debuginfo0:2.9.7-4.el9_7.1libipa_hbac-debuginfo-0:2.9.7-4.el9_7.1.i686.rpm
Red Hat Enterprise Linux9ppc64lelibipa_hbac-debuginfo0:2.9.7-4.el9_7.1libipa_hbac-debuginfo-0:2.9.7-4.el9_7.1.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibipa_hbac-debuginfo0:2.9.7-4.el9_7.1libipa_hbac-debuginfo-0:2.9.7-4.el9_7.1.s390x.rpm
Red Hat Enterprise Linux9x86_64libipa_hbac-debuginfo0:2.9.7-4.el9_7.1libipa_hbac-debuginfo-0:2.9.7-4.el9_7.1.x86_64.rpm
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