Oracle Linux 7 : polkit (ELSA-2016-0189)

Medium Nessus Plugin ID 88780


The remote Oracle Linux host is missing one or more security updates.


From Red Hat Security Advisory 2016:0189 :

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 polkit packages.

See Also

Plugin Details

Severity: Medium

ID: 88780

File Name: oraclelinux_ELSA-2016-0189.nasl

Version: $Revision: 2.3 $

Type: local

Agent: unix

Published: 2016/02/17

Modified: 2016/05/20

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:oracle:linux:polkit, p-cpe:/a:oracle:linux:polkit-devel, p-cpe:/a:oracle:linux:polkit-docs, cpe:/o:oracle:linux:7

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

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