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 sssdkrb5localauthplugin is enabled, but a fallback to the an2ln plugin is possible. This fallback allows an...

Important: sssd security update

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 ...

OESA-2025-2579 sssd security update

SSSD provides a set of daemons to manage access to remote directories and authentication mechanisms such as LDAP, Kerberos or FreeIPA. It provides an NSS and PAM interface toward the system and a pluggable backend system to connect to multiple different account sources. Security Fixes: A flaw was...

Important: sssd

Issue Overview: A flaw was found in the integration of Active Directory and the System Security Services Daemon SSSD on Linux systems. In default configurations, SSSD does not enable the Kerberos local authentication plugin sssdkrb5localauthplugin, allowing an attacker with permission to modify...

SUSE CVE-2025-11561

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 sssdkrb5localauthplugin is enabled, but a fallback to the an2ln plugin is possible. This fallback allows an...

CVE-2025-11561

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 sssdkrb5localauthplugin is enabled, but a fallback to the an2ln plugin is possible. This fallback allows an...

UBUNTU-CVE-2025-11561

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 sssdkrb5localauthplugin is enabled, but a fallback to the an2ln plugin is possible. This fallback allows an...

CVE-2025-11561

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 sssdkrb5localauthplugin is enabled, but a fallback to the an2ln plugin is possible. This fallback allows an...

PT-2025-41381

Name of the Vulnerable Software and Affected Versions System Security Services Daemon SSSD affected versions not specified Description A security issue exists in the integration of Active Directory and the System Security Services Daemon SSSD on Linux systems. By default, SSSD does not enable the...

EUVD-2010-0046

Malware in sbrugna...

EUVD-2010-2944

Malware in sbrugna...

EUVD-2013-0253

Malware in sbrugna...

EUVD-2014-0287

Malware in sbrugna...

EUVD-2021-26983

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2010-2940

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The authsend function in providers/ldap/ldapauth.c in System Security Services Daemon SSSD 1.3.0, when LDAP authentication and anonymous bind are enabled, allow...

sssd: Race condition during authorization leads to GPO policies functioning inconsistently

A race condition flaw was found in sssd where the GPO policy is not consistently applied for authenticated users. This may lead to improper authorization issues, granting or denying access to resources inappropriately...

SUSE CVE-2013-0287

The Simple Access Provider in System Security Services Daemon SSSD 1.9.0 through 1.9.4, when the Active Directory provider is used, does not properly enforce the simpledenygroups option, which allows remote authenticated users to bypass intended access restrictions...

SUSE CVE-2015-5292

Memory leak in the Privilege Attribute Certificate PAC responder plugin sssdpacplugin.so in System Security Services Daemon SSSD 1.10 before 1.13.1 allows remote authenticated users to cause a denial of service memory consumption via a large number of logins that trigger parsing of PAC blobs duri...

cockpit: authenticates with revoked certificates

A flaw was found in Cockpit in the way it handles the certificate verification performed by the System Security Services Daemon SSSD. This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List CRL configuration or the certificate status. The...

Design/Logic Flaw

A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon SSSD. This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List CRL configuration or the...