CVE-2026-48984 pam_usb: xfree() does not call explicit_bzero — sensitive cryptographic material may linger in freed heap

pamusb provides hardware authentication for Linux using ordinary removable media. In versions 0.9.1 and below, the xfree memory release helper in calls free without first zeroing the buffer contents, releasing heap-allocated buffers containing sensitive data — including one-time pad bytes read fr...

PT-2026-50769

Name of the Vulnerable Software and Affected Versions pam usb versions 0.9.1 and earlier Description The xfree memory release helper calls free without zeroing buffer contents first. This results in heap-allocated buffers containing sensitive data, such as one-time pad bytes read from disk, being...

PT-2026-50771

Name of the Vulnerable Software and Affected Versions pam usb versions prior to 0.9.2 Description An infinite loop Denial of Service DoS occurs during the process-tree walk when a parent process exits during authentication. The function usb get process parent id fails to initialize the ppid...

PT-2026-50784

Name of the Vulnerable Software and Affected Versions pam usb versions prior to 0.9.2 Description A symlink race condition exists in the creation of per-device and per-user pad directories. The software employs a check-then-act pattern, where it calls lstat to verify existence and subsequently...

PT-2026-50782

Name of the Vulnerable Software and Affected Versions pam usb versions prior to 0.9.2 Description pam usb provides hardware authentication for Linux using removable media. The software calls the xmlReadFile function with flags=0 when loading the configuration file, which allows libxml2 to process...

Siemens RuggedCom Rox Path Traversal (CVE-2025-6020)

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. This plugin only works with Tenable.ot. Please visit...

CVE-2026-11890

Improper access control in PAM account discovery results in Devolutions Server 2026.2.5, 2026.1.21 allows an authenticated user to retrieve account discovery scan results...

SUSE CVE-2026-54411

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...

Linux Distros Unpatched Vulnerability : CVE-2026-54411

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in...

CVE-2026-54411

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...

CVE-2026-54411

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...

CVE-2026-54411

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...

EUVD-2026-36662

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...

CVE-2026-54411

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...

PT-2026-49134

Name of the Vulnerable Software and Affected Versions Linux-PAM versions prior to 1.7.3 Description A timing discrepancy exists in the pam userdb module's plaintext-password comparison path within modules/pam userdb/pam userdb.c. A local or network-adjacent attacker can recover the plaintext...

China-Linked Hackers Backdoored Linux Login Software to Hide for Nearly a Decade

Instead of hiding on the laptops and servers defenders watch most closely, a China-nexus group spent close to a decade hidden inside the Linux login system itself. Sygnia, which tracks the group as Velvet Ant , says it backdoored the PAM and OpenSSH components that decide who is allowed to sign i...

Devolutions Server < 2026.1.21.0 / 2026.2.4.0 < 2026.2.5.0 Multiple Vulnerabilities (DEVO-2026-0015)

The version of Devolutions Server installed on the remote host is prior to 2026.1.21.0 or 2026.2.4.0 prior to 2026.2.5.0. It is, therefore, affected by multiple vulnerabilities, including: - Improper neutralization of special elements in the built-in PAM provider password rotation templates in...

CVE-2026-10544

Improper neutralization of special elements in the built-in PAM provider password rotation templates in Devolutions Server allows an authenticated user with write access to a vault to execute arbitrary commands on the systems managed by the affected PAM provider. This issue affects : Devolutions...

CVE-2026-10544

This CVE (CVE-2026-10544) affects Devolutions Server, specifically versions 2026.2.4.0 and 2026.1.20.0 and earlier. The issue is described as improper neutralization of special elements in the built-in PAM provider password rotation templates, allowing an authenticated user with write access to a...

EUVD-2026-35184

Improper neutralization of special elements in the built-in PAM provider password rotation templates in Devolutions Server allows an authenticated user with write access to a vault to execute arbitrary commands on the systems managed by the affected PAM provider. This issue affects : Devolutions...