Summary
The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to connect to multiple different account sources.
Security Fix(es):
* sssd: SSSD default Kerberos configuration allows privilege escalation on AD-joined Linux systems (CVE-2025-11561)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 30
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | libipa_hbac | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | libsss_autofs | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | libsss_certmap | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | libsss_idmap | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | libsss_nss_idmap | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | libsss_nss_idmap-devel | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | libsss_simpleifp | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | libsss_sudo | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | python3-libipa_hbac | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | python3-libsss_nss_idmap | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | python3-sss | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | python3-sss-murmur | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | python3-sssdconfig | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-ad | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-client | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-common | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-common-pac | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-dbus | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-idp | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-ipa | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-kcm | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-krb5 | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-krb5-common | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-ldap | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-nfs-idmap | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-polkit-rules | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-proxy | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-tools | 2.9.4-5.el8_10.3 |
| AlmaLinux · 8 | sssd-winbind-idmap | 2.9.4-5.el8_10.3 |
Vulnerabilities 1
-
High 8.8
Sssd: sssd default kerberos configuration allows privilege escalation on ad-joined linux systems
A flaw was found in the integration of Active Directory and the System Security Services Daemon (SSSD) on Linux systems. In default configurations, the Kerberos local authentication plugin (sssd_krb5_localauth_plugin) is enabled, but a fallback to the an2ln p…