CVE-2011-5054: kcheckpass passes a user-supplied argument to the pam_start function, often within a setuid environment, wh...

Security readout for executives and security teams

This is a local-access issue in kcheckpass involving how it passes a user-controlled PAM service name to pam_start, often from a setuid context. The concern is not confirmed remote compromise, but that a local user could trigger unintended PAM behavior. Public data is sparse and the vendor reportedly viewed privilege escalation as far-fetched. Exposure is most plausible on Unix-like desktop systems that include kcheckpass, especially where it runs setuid and local users have shell or interactive access. The source bundle does not identify affected vendors, versions, packages, or supported operating-system ranges. Treat this as a niche local-risk item unless you operate shared Linux or Unix desktop environments. Prioritize confirmation over emergency response because the public record lacks severity scoring, affected-version detail, and exploitation evidence. Mitigation focus: Check KDE or distribution advisories for affected kcheckpass package guidance.; Apply vendor-provided kcheckpass or KDE security updates when applicability is confirmed.; Limit unnecessary local account access on shared systems while exposure is assessed..

Prepared

Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.