High severity8.8NVD Advisory· Published Oct 9, 2025· Updated Apr 15, 2026
CVE-2025-11561
CVE-2025-11561
Description
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 plugin is possible. This fallback allows an attacker with permission to modify certain AD attributes (such as userPrincipalName or samAccountName) to impersonate privileged users, potentially resulting in unauthorized access or privilege escalation on domain-joined Linux hosts.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
63- osv-coords61 versionspkg:rpm/almalinux/libipa_hbacpkg:rpm/almalinux/libsss_autofspkg:rpm/almalinux/libsss_certmappkg:rpm/almalinux/libsss_idmappkg:rpm/almalinux/libsss_nss_idmappkg:rpm/almalinux/libsss_nss_idmap-develpkg:rpm/almalinux/libsss_simpleifppkg:rpm/almalinux/libsss_sudopkg:rpm/almalinux/python3-libipa_hbacpkg:rpm/almalinux/python3-libsss_nss_idmappkg:rpm/almalinux/python3-ssspkg:rpm/almalinux/python3-sssdconfigpkg:rpm/almalinux/python3-sss-murmurpkg:rpm/almalinux/sssdpkg:rpm/almalinux/sssd-adpkg:rpm/almalinux/sssd-clientpkg:rpm/almalinux/sssd-commonpkg:rpm/almalinux/sssd-common-pacpkg:rpm/almalinux/sssd-dbuspkg:rpm/almalinux/sssd-idppkg:rpm/almalinux/sssd-ipapkg:rpm/almalinux/sssd-kcmpkg:rpm/almalinux/sssd-krb5pkg:rpm/almalinux/sssd-krb5-commonpkg:rpm/almalinux/sssd-ldappkg:rpm/almalinux/sssd-nfs-idmappkg:rpm/almalinux/sssd-passkeypkg:rpm/almalinux/sssd-polkit-rulespkg:rpm/almalinux/sssd-proxypkg:rpm/almalinux/sssd-toolspkg:rpm/almalinux/sssd-winbind-idmappkg:rpm/opensuse/sssd&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/sssd&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/sssd&distro=openSUSE%20Tumbleweedpkg:rpm/suse/sssd&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/sssd&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/sssd&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/sssd&distro=SUSE%20Manager%20Server%20LTS%204.3
< 2.9.4-5.el8_10.3+ 60 more
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.7-4.el9_7.1
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.4-5.el8_10.3
- (no CPE)range: < 2.9.3-150600.3.28.1
- (no CPE)range: < 2.9.5-160000.3.1
- (no CPE)range: < 2.11.1-2.1
- (no CPE)range: < 1.16.1-150300.23.56.1
- (no CPE)range: < 1.16.1-150300.23.56.1
- (no CPE)range: < 2.5.2-150400.4.40.1
- (no CPE)range: < 2.5.2-150400.4.40.1
- (no CPE)range: < 2.5.2-150500.10.39.1
- (no CPE)range: < 2.5.2-150500.10.39.1
- (no CPE)range: < 1.16.1-150300.23.56.1
- (no CPE)range: < 2.5.2-150400.4.40.1
- (no CPE)range: < 2.5.2-150400.4.40.1
- (no CPE)range: < 2.5.2-150500.10.39.1
- (no CPE)range: < 2.9.3-150600.3.28.1
- (no CPE)range: < 2.9.3-150700.9.9.1
- (no CPE)range: < 1.16.1-7.68.1
- (no CPE)range: < 1.16.1-150300.23.56.1
- (no CPE)range: < 2.5.2-150400.4.40.1
- (no CPE)range: < 2.5.2-150500.10.39.1
- (no CPE)range: < 2.9.5-160000.3.1
- (no CPE)range: < 1.16.1-150300.23.56.1
- (no CPE)range: < 2.5.2-150400.4.40.1
- (no CPE)range: < 2.5.2-150500.10.39.1
- (no CPE)range: < 2.9.5-160000.3.1
- (no CPE)range: < 1.16.1-7.68.1
- (no CPE)range: < 2.8.2-7.1
- (no CPE)range: < 2.9.5-slfo.1.1_4.1
- (no CPE)range: < 2.9.5-160000.3.1
- (no CPE)range: < 2.5.2-150400.4.40.1
- (no CPE)range: < 2.5.2-150400.4.40.1
Patches
Vulnerability mechanics
References
28- access.redhat.com/errata/RHSA-2025:19610nvd
- access.redhat.com/errata/RHSA-2025:19847nvd
- access.redhat.com/errata/RHSA-2025:19848nvd
- access.redhat.com/errata/RHSA-2025:19849nvd
- access.redhat.com/errata/RHSA-2025:19850nvd
- access.redhat.com/errata/RHSA-2025:19851nvd
- access.redhat.com/errata/RHSA-2025:19852nvd
- access.redhat.com/errata/RHSA-2025:19853nvd
- access.redhat.com/errata/RHSA-2025:19854nvd
- access.redhat.com/errata/RHSA-2025:19859nvd
- access.redhat.com/errata/RHSA-2025:20954nvd
- access.redhat.com/errata/RHSA-2025:21020nvd
- access.redhat.com/errata/RHSA-2025:21067nvd
- access.redhat.com/errata/RHSA-2025:21329nvd
- access.redhat.com/errata/RHSA-2025:21795nvd
- access.redhat.com/errata/RHSA-2025:22256nvd
- access.redhat.com/errata/RHSA-2025:22265nvd
- access.redhat.com/errata/RHSA-2025:22277nvd
- access.redhat.com/errata/RHSA-2025:22529nvd
- access.redhat.com/errata/RHSA-2025:22548nvd
- access.redhat.com/errata/RHSA-2025:22724nvd
- access.redhat.com/errata/RHSA-2025:23113nvd
- access.redhat.com/errata/RHSA-2026:0316nvd
- access.redhat.com/errata/RHSA-2026:0677nvd
- access.redhat.com/security/cve/CVE-2025-11561nvd
- blog.async.sg/kerberos-ldrnvd
- bugzilla.redhat.com/show_bug.cginvd
- github.com/SSSD/sssd/issues/8021nvd
News mentions
0No linked articles in our index yet.