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Fencer Intel
low 2.1

CVE-2015-3218 json

The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in PolicyKit (aka polkit) before 0.113 allows lo…

published 11y ago modified 4mo ago also EUVD-2015-3281

cvss
2.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

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.

Patch / fix

  • policykit-1 Debian 14, Debian 13, Debian 12 0.105-11

debian advisories DEBIAN-CVE-2015-3218

  • policykit-1 Ubuntu 14.04 LTS 0.105-4ubuntu3.14.04.2

ubuntu advisories UBUNTU-CVE-2015-3218

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • polkit SLES for SAP 12, SLES 12, SLED 12 +2 more 0.113-4.1

suse advisories SUSE-SU-2015:1838-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3218 updated cvss 2.1

polkit: crash authentication_agent_new with invalid object path in RegisterAuthenticationAgent

  • Red Hat Enterprise Linux 7 polkit
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 polkit, polkit-desktop-policy
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.