RHSA-2026:61230: Moderate: pam security update

Published Aug 31, 2026
·
Updated

Moderate: pam security update

Other sources

Pluggable Authentication Modules (PAM) provide a system to set up authentication policies without the need to recompile programs to handle authentication.Security Fix(es): linux-pam: Plaintext password recovery via timing discrepancy in pamuserdb module (CVE-2026-54411) 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.

— Red Hat

Affected Software

33 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
redhat/pam<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-debuginfo<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-debuginfo<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-debugsource<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-debugsource<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-devel<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-devel<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-docs<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-docs<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-debuginfo<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-debugsource<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-devel<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam-docs<1.5.1-26.el9_6.1
1.5.1-26.el9_6.1
redhat/pam<1.5.1-26.el9_6.1.aa
1.5.1-26.el9_6.1.aa
redhat/pam-debuginfo<1.5.1-26.el9_6.1.aa
1.5.1-26.el9_6.1.aa
redhat/pam-debugsource<1.5.1-26.el9_6.1.aa
1.5.1-26.el9_6.1.aa
redhat/pam-devel<1.5.1-26.el9_6.1.aa
1.5.1-26.el9_6.1.aa
redhat/pam-docs<1.5.1-26.el9_6.1.aa
1.5.1-26.el9_6.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/pam to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1
  2. Upgrade

    Upgrade redhat/pam-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1
  3. Upgrade

    Upgrade redhat/pam-debugsource to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1
  4. Upgrade

    Upgrade redhat/pam-devel to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1
  5. Upgrade

    Upgrade redhat/pam-docs to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1
  6. Upgrade

    Upgrade redhat/pam to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1.aa
  7. Upgrade

    Upgrade redhat/pam-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1.aa
  8. Upgrade

    Upgrade redhat/pam-debugsource to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1.aa
  9. Upgrade

    Upgrade redhat/pam-devel to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1.aa
  10. Upgrade

    Upgrade redhat/pam-docs to a version that resolves this vulnerability.

    Fixed in 1.5.1-26.el9_6.1.aa
  11. Upgrade

    Upgrade linux-pam to a version that resolves this vulnerability.

    Patch CVE-2026-54411

Event History

Aug 31, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·12:03 AM
Data Sourced
via Red Hat·12:03 AM
Severity

Frequently Asked Questions

1

Which deployments should be prioritized for this update?

Prioritize systems using Red Hat PAM packages in the listed Red Hat Enterprise Linux x86_64 update channels, including Update Services for SAP Solutions, Extended Update Support, and Server AUS.

2

Which PAM functionality is involved in the security issue?

The issue is in the pam_userdb module. It involves a timing discrepancy that can enable plaintext password recovery.

Company

Resources

Contact

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