New Linux PamDOORa Backdoor Uses PAM Modules to Steal SSH Credentials

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that's being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called "darkworm." The backdoor is designed as a Pluggable Authentication Module PAM-based post-exploitation toolkit...

CVE-2026-6245

A flaw was found in the System Security Services Daemon SSSD. The pampasskeychildreaddata function within the PAM passkey responder fails to properly handle raw bytes received from a pipe. Because the data is treated as a NUL-terminated C string without explicit termination, it results in an...

CVE-2026-6245 Sssd: out-of-bounds read in the sssd

A flaw was found in the System Security Services Daemon SSSD. The pampasskeychildreaddata function within the PAM passkey responder fails to properly handle raw bytes received from a pipe. Because the data is treated as a NUL-terminated C string without explicit termination, it results in an...

EUVD-2026-18817

A flaw was found in util-linux. Improper hostname canonicalization in the login1 utility, when invoked with the -h option, can modify the supplied remote hostname before setting PAMRHOST. A remote attacker could exploit this by providing a specially crafted hostname, potentially bypassing...

UBUNTU-CVE-2026-3184

A flaw was found in util-linux. Improper hostname canonicalization in the login1 utility, when invoked with the -h option, can modify the supplied remote hostname before setting PAMRHOST. A remote attacker could exploit this by providing a specially crafted hostname, potentially bypassing...

CVE-2026-3184

A flaw was found in util-linux. Improper hostname canonicalization in the login1 utility, when invoked with the -h option, can modify the supplied remote hostname before setting PAMRHOST. A remote attacker could exploit this by providing a specially crafted hostname, potentially bypassing...

Security update for util-linux

This update for util-linux fixes the following issues: CVE-2026-3184: Fix full hostname usage for PAM to ensure correct access control for "login -h" bsc1258859. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

Devolutions Server 安全漏洞

Devolutions Server is an application system developed by the Canadian company Devolutions. It provides a fully functional solution for shared accounts and password management. Versions of Devolutions Server prior to 2025.3.15 contained a security vulnerability caused by improper execution of...

Azure Linux 3.0 Security Update: pam (CVE-2024-10963)

The version of pam installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-10963 advisory. - A flaw was found in pamaccess, where certain rules in its configuration file are mistakenly treated as hostname...

MiracleLinux 4 : pam-1.1.1-13.AXS4 (AXSA:2013-122:01)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2013-122:01 advisory. PAM Pluggable Authentication Modules is a system security tool that allows system administrators to set authentication policy without having to...

MiracleLinux 4 : pam-1.1.1-20.AXS4.1 (AXSA:2015-439:01)

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2015-439:01 advisory. PAM Pluggable Authentication Modules is a system security tool that allows system administrators to set authentication policy without having to recompile...

pam security update

An update is available for pam. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Pluggable Authentication Modules PAM provide a system to set up authentication...

MiracleLinux 3 : pam-0.99.6.2-6.2.0.1.AXS3 (AXSA:2010-484:02)

The remote MiracleLinux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2010-484:02 advisory. PAM Pluggable Authentication Modules is a system security tool that allows system administrators to set authentication policy without having to...

MiracleLinux 7 : pam-1.1.8-23.0.1.0.1.el7.AXS7 (AXSA:2025-10203:02)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10203:02 advisory. CVE-2024-10041: fix possibility of leakage of secret information stored in memory CVE-2024-22365: fix potential DoS via mkfifo because the openat...

EulerOS 2.0 SP9 : pam (EulerOS-SA-2026-1010)

According to the versions of the pam package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A Local Privilege Escalation LPE vulnerability has been discovered in pam-config within Linux Pluggable Authentication Modules PAM. This flaw allows a...

PT-2026-23621

Name of the Vulnerable Software and Affected Versions util-linux affected versions not specified Description An access control bypass exists due to improper hostname canonicalization. This issue affects the 'login -h' command and can lead to incorrect access control. The fix ensures correct acces...

Important: Red Hat Security Advisory: pam security update

An update for pam is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

linux-pam: Linux-pam directory Traversal

A flaw was found in linux-pam. The module pamnamespace may use access user-controlled paths without proper protection, allowing local users to elevate their privileges to root via multiple symlink attacks and race conditions...

ALSA-2025:20181 Important: pam security update

Pluggable Authentication Modules PAM provide a system to set up authentication policies without the need to recompile programs to handle authentication. Security Fixes: linux-pam: Linux-pam directory Traversal CVE-2025-6020 For more details about the security issues, including the impact, a CVSS...

EUVD-2000-0355

Malware in sbrugna...