RHEL 7 : polkit (RHSA-2016:0189)

Medium Nessus Plugin ID 88788


The remote Red Hat host is missing one or more security updates.


Updated polkit packages that fix one security issue are now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

PolicyKit is a toolkit for defining and handling authorizations.

A denial of service flaw was found in how polkit handled authorization requests. A local, unprivileged user could send malicious requests to polkit, which could then cause the polkit daemon to corrupt its memory and crash. (CVE-2015-3256)

All polkit users should upgrade to these updated packages, which contain a backported patch to correct this issue. The system must be rebooted for this update to take effect.


Update the affected packages.

See Also



Plugin Details

Severity: Medium

ID: 88788

File Name: redhat-RHSA-2016-0189.nasl

Version: $Revision: 2.4 $

Type: local

Agent: unix

Published: 2016/02/17

Modified: 2017/01/10

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.6

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:POC/RL:OF/RC:ND

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:polkit, p-cpe:/a:redhat:enterprise_linux:polkit-debuginfo, p-cpe:/a:redhat:enterprise_linux:polkit-devel, p-cpe:/a:redhat:enterprise_linux:polkit-docs, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.2

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2016/02/16

Reference Information

CVE: CVE-2015-3256

OSVDB: 126934

RHSA: 2016:0189