Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: 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, SSSD does not enable the Kerberos local authentication plugin (sssd_krb5_localauth_plugin), allowing an attacker with permission to modify certain AD attributes (such as userPrincipalName or samAccountName) to impersonate privileged users. This can result in unauthorized access or privilege escalation on domain-joined Linux hosts.
Fixed packages 61
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | libipa_hbac | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libipa_hbac-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libipa_hbac-devel | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_autofs | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_autofs-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_certmap | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_certmap-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_certmap-devel | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_idmap | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_idmap-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_idmap-devel | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_nss_idmap | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_nss_idmap-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_nss_idmap-devel | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_simpleifp | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_simpleifp-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_simpleifp-devel | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_sudo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | libsss_sudo-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-libipa_hbac | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-libipa_hbac-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-libsss_nss_idmap | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-libsss_nss_idmap-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-sss | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-sss-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-sss-murmur | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-sss-murmur-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | python3-sssdconfig | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-ad | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-ad-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-client | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-client-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-common | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-common-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-common-pac | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-common-pac-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-dbus | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-dbus-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-debugsource | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-idp | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-idp-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-ipa | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-ipa-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-kcm | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-kcm-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-krb5 | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-krb5-common | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-krb5-common-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-krb5-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-ldap | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-ldap-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-nfs-idmap | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-nfs-idmap-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-proxy | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-proxy-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-tools | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-tools-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-winbind-idmap | 0:2.9.4-1.amzn2023.0.3 |
| Amazon Linux · 2023 | sssd-winbind-idmap-debuginfo | 0:2.9.4-1.amzn2023.0.3 |
Vulnerabilities 1
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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…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2025-11561.html