CVE-2026-104044 — Sssd: sssd: denial of service via crafted passkey kerberos authentication request
A flaw was found in sssd. A local attacker can trigger a Denial of Service (DoS) by sending a specially crafted Pluggable Authentication Module (PAM) request when passkey authen…
Published: 2026-10-06 · CVSS: 6.2 · CVSS 3.1
A flaw was found in sssd. A local attacker can trigger a Denial of Service (DoS) by sending a specially crafted Pluggable Authentication Module (PAM) request when passkey authentication is enabled. Due to a missing state validation check in passkey Kerberos handling, the PAM responder dereferences an uninitialized pointer and crashes. This failure disrupts authentication services on the host.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7