What’s Vulnerable › Vulnerabilities

CVE-2015-3218

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-10-26 · updated 2026-06-17

Description

The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (NULL pointer dereference and polkitd daemon crash) by calling RegisterAuthenticationAgent with an invalid object path.

Affected products

• Polkit Project Polkit: through 0.112

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161721.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162294.html
• http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html
• http://lists.freedesktop.org/archives/polkit-devel/2015-May/000420.html
• http://lists.freedesktop.org/archives/polkit-devel/2015-May/000421.html
• http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html
• http://lists.opensuse.org/opensuse-updates/2015-11/msg00042.html
• http://www.securityfocus.com/bid/76086
• http://www.securitytracker.com/id/1035023
• https://usn.ubuntu.com/3717-1/
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161721.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162294.html

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