Description
A flaw was found in pam_access, where certain rules in its configuration file are mistakenly treated as hostnames. This vulnerability allows attackers to trick the system by pretending to be a trusted hostname, gaining unauthorized access. This issue poses a risk for systems that rely on this feature to control who can access certain services or terminals.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | pam | 1.3.1, 1.5.1, 1.6.0 – < 1.7.0 | 1.7.0 |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.16 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.17 | — | — |
| Red Hat | Red Hat OpenShift Container Platform 4.18 | — | — |
| Red Hat | Red Hat OpenShift AI 2.16 | — | — |
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pam | 1.7.0-5 | — |
| Debian 13 | pam | 1.7.0-5 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | pam | 1.5.3-5ubuntu5.5 | USN-7761-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | pam +2 | 1.5.1-22.el9_5 | RHSA-2024:10244 |
| RHEL 8 | pam +1 | 1.3.1-36.el8_10 | RHSA-2024:10379 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | pam +2 | 1.5.1-23.el9_4 | RHSA-2024:10232 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | pam +2 | 1.5.1-22.el9_5 | ALSA-2024:10244 |
| AlmaLinux 8 | pam +1 | 1.3.1-36.el8_10 | ALSA-2024:10379 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | pam | 1.5.1-22.el9_5 | RLSA-2024:10244 |
| Rocky Linux 8 | pam | 1.3.1-36.el8_10 | RLSA-2024:10379 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 6.1 | pam | 1.6.1-slfo.1.1_2.1 | SUSE-SU-2025:20229-1 |
| SLE Micro 6.0 | pam | 1.6.0-4.1 | SUSE-SU-2025:20104-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | pam | 1.7.0-2.1 | openSUSE-SU-2024:14563-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | pam | 1.5.3-4 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | pam +2 | 1.5.1-22.0.1.el9_5 | ELSA-2024-10244 |
| Oracle Linux 8 | pam +1 | 1.3.1-36.0.1.el8_10 | ELSA-2024-10379 |
Advisories 15
- ALSA-2024:10244 Important: pam:1.5.1 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:10379 Important: pam security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:10379 Red Hat Security Advisory: pam security update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2024:10244 Red Hat Security Advisory: pam:1.5.1 security update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2024:10232 Red Hat Security Advisory: pam security update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- USN-7761-1 pam vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2025:20229-1 Security update for pam SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20104-1 Security update for pam SUSE / openSUSE Security Updates · Mar 23, 2026
- RLSA-2024:10244 Important: pam:1.5.1 security update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2024:10379 Important: pam security update Rocky Linux Security Advisories · Feb 4, 2026
- openSUSE-SU-2024:14563-1 pam-1.7.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3543 Red Hat Enterprise Linux (PAM): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Sep 22, 2025
- WID-SEC-2024-3684 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 11, 2024
- ELSA-2024-10379 Important: pam security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 26, 2024
- ELSA-2024-10244 Important: pam:1.5.1 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 25, 2024
References
- RHSA-2024:10232 vendor-advisory
- RHSA-2024:10244 vendor-advisory
- RHSA-2024:10379 vendor-advisory
- RHSA-2024:10518 vendor-advisory
- RHSA-2024:10528 vendor-advisory
- RHSA-2024:10852 vendor-advisory
- RHSA-2024:6122 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2024-10963 vdb-entry
- RHBZ#2324291 issue-tracking
- https://github.com/linux-pam/linux-pam/issues/834
- https://github.com/linux-pam/linux-pam/pull/835