RLSA-2026:98559: Moderate: sssd security, bug fix, and enhancement update

Published Nov 13, 2026
·
Updated

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: IdP authentication prefix comparison allows cross-user impersonation (CVE-2026-87853)

Bug Fix(es) and Enhancement(s):

[RFE] pam: Forward environment variables from PAM client to p11child (JIRA:Rocky Linux-188425)

Spurious warnings about ldapsudosearchbase (JIRA:Rocky Linux-248164)

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.

Affected Software

56 affected componentsFixes available
rocky-linux/sssd-tools<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-client-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-krb5-common-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-proxy-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-idp<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-dbus<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-common-pac<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-krb5-common<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-sss<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-libsss_nss_idmap-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-dbus-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libipa_hbac<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-ipa-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-ad<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-krb5<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-proxy<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_certmap<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-tools-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_nss_idmap<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_certmap-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-common<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-sss-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-ipa<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-debugsource<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-ldap<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-kcm<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-ad-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-winbind-idmap-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_sudo-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_sudo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-winbind-idmap<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_autofs-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-common-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_idmap-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-sss-murmur<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-idp-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-libipa_hbac<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-nfs-idmap-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-libipa_hbac-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-passkey-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-ldap-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-common-pac-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-libsss_nss_idmap<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libipa_hbac-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_nss_idmap-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_idmap<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-krb5-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/libsss_autofs<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-nfs-idmap<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-kcm-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-client<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-sss-murmur-debuginfo<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/sssd-passkey<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3
rocky-linux/python3-sssdconfig<0:2.13.1-3.el10_3
0:2.13.1-3.el10_3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade rocky-linux/sssd-tools to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  2. Upgrade

    Upgrade rocky-linux/sssd-client-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  3. Upgrade

    Upgrade rocky-linux/sssd-krb5-common-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  4. Upgrade

    Upgrade rocky-linux/sssd-proxy-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  5. Upgrade

    Upgrade rocky-linux/sssd-idp to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  6. Upgrade

    Upgrade rocky-linux/sssd-dbus to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  7. Upgrade

    Upgrade rocky-linux/sssd-common-pac to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  8. Upgrade

    Upgrade rocky-linux/sssd-krb5-common to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  9. Upgrade

    Upgrade rocky-linux/python3-sss to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  10. Upgrade

    Upgrade rocky-linux/python3-libsss_nss_idmap-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  11. Upgrade

    Upgrade rocky-linux/sssd-dbus-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  12. Upgrade

    Upgrade rocky-linux/sssd-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  13. Upgrade

    Upgrade rocky-linux/libipa_hbac to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  14. Upgrade

    Upgrade rocky-linux/sssd-ipa-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  15. Upgrade

    Upgrade rocky-linux/sssd-ad to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  16. Upgrade

    Upgrade rocky-linux/sssd-krb5 to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  17. Upgrade

    Upgrade rocky-linux/sssd-proxy to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  18. Upgrade

    Upgrade rocky-linux/libsss_certmap to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  19. Upgrade

    Upgrade rocky-linux/sssd-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  20. Upgrade

    Upgrade rocky-linux/libsss_nss_idmap to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  21. Upgrade

    Upgrade rocky-linux/libsss_certmap-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  22. Upgrade

    Upgrade rocky-linux/sssd-common to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  23. Upgrade

    Upgrade rocky-linux/python3-sss-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  24. Upgrade

    Upgrade rocky-linux/sssd to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  25. Upgrade

    Upgrade rocky-linux/sssd-ipa to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  26. Upgrade

    Upgrade rocky-linux/sssd-debugsource to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  27. Upgrade

    Upgrade rocky-linux/sssd-ldap to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  28. Upgrade

    Upgrade rocky-linux/sssd-kcm to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  29. Upgrade

    Upgrade rocky-linux/sssd-ad-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  30. Upgrade

    Upgrade rocky-linux/sssd-winbind-idmap-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  31. Upgrade

    Upgrade rocky-linux/libsss_sudo-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  32. Upgrade

    Upgrade rocky-linux/libsss_sudo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  33. Upgrade

    Upgrade rocky-linux/sssd-winbind-idmap to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  34. Upgrade

    Upgrade rocky-linux/libsss_autofs-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  35. Upgrade

    Upgrade rocky-linux/sssd-common-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  36. Upgrade

    Upgrade rocky-linux/libsss_idmap-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  37. Upgrade

    Upgrade rocky-linux/python3-sss-murmur to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  38. Upgrade

    Upgrade rocky-linux/sssd-idp-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  39. Upgrade

    Upgrade rocky-linux/python3-libipa_hbac to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  40. Upgrade

    Upgrade rocky-linux/sssd-nfs-idmap-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  41. Upgrade

    Upgrade rocky-linux/python3-libipa_hbac-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  42. Upgrade

    Upgrade rocky-linux/sssd-passkey-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  43. Upgrade

    Upgrade rocky-linux/sssd-ldap-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  44. Upgrade

    Upgrade rocky-linux/sssd-common-pac-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  45. Upgrade

    Upgrade rocky-linux/python3-libsss_nss_idmap to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  46. Upgrade

    Upgrade rocky-linux/libipa_hbac-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  47. Upgrade

    Upgrade rocky-linux/libsss_nss_idmap-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  48. Upgrade

    Upgrade rocky-linux/libsss_idmap to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  49. Upgrade

    Upgrade rocky-linux/sssd-krb5-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  50. Upgrade

    Upgrade rocky-linux/libsss_autofs to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  51. Upgrade

    Upgrade rocky-linux/sssd-nfs-idmap to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  52. Upgrade

    Upgrade rocky-linux/sssd-kcm-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  53. Upgrade

    Upgrade rocky-linux/sssd-client to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  54. Upgrade

    Upgrade rocky-linux/libsss_nss_idmap-devel to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  55. Upgrade

    Upgrade rocky-linux/python3-sss-murmur-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  56. Upgrade

    Upgrade rocky-linux/sssd-passkey to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3
  57. Upgrade

    Upgrade rocky-linux/python3-sssdconfig to a version that resolves this vulnerability.

    Fixed in 0:2.13.1-3.el10_3

Event History

Nov 13, 2026
Advisory Published
via OSV·12:06 PM
Data Sourced
via OSV·12:06 PM
DescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What access does an attacker need to exploit this issue?

The CVSS vector indicates network access, low privileges, no user interaction, and high attack complexity. Exploitation is therefore not described as requiring local access or victim interaction, but it does require some existing low-level privileges.

2

What is the potential impact if exploitation succeeds?

The issue is described as allowing cross-user impersonation through IdP authentication prefix comparison. The supplied CVSS vector rates confidentiality, integrity, and availability impact as high.

3

Which Rocky Linux SSSD components are covered by this update?

The listed affected packages include sssd-idp, sssd-dbus, sssd-common-pac, sssd-krb5-common, sssd-tools, and several client, proxy, and Kerberos debuginfo packages. The advisory data does not identify specific affected or fixed package versions.

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