Scientific Linux Security Update : kernel on SL7.x x86_64 (20160125)

high Nessus Plugin ID 88174

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Synopsis

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

Description

* A use-after-free flaw was found in the way the Linux kernel's key management subsystem handled keyring object reference counting in certain error path of the join_session_keyring() function. A local, unprivileged user could use this flaw to escalate their privileges on the system. (CVE-2016-0728, Important)

The system must be rebooted for this update to take effect.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 88174

File Name: sl_20160125_kernel_on_SL7_x.nasl

Version: 2.9

Type: local

Agent: unix

Family: Scientific Linux Local Security Checks

Published: 1/26/2016

Updated: 1/14/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-tools-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs-devel, p-cpe:/a:fermilab:scientific_linux:kernel-doc, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-x86_64, p-cpe:/a:fermilab:scientific_linux:python-perf-debuginfo, p-cpe:/a:fermilab:scientific_linux:perf-debuginfo, p-cpe:/a:fermilab:scientific_linux:perf, p-cpe:/a:fermilab:scientific_linux:kernel-debug-devel, p-cpe:/a:fermilab:scientific_linux:python-perf, p-cpe:/a:fermilab:scientific_linux:kernel, p-cpe:/a:fermilab:scientific_linux:kernel-tools, p-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debug, x-cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:kernel-headers, p-cpe:/a:fermilab:scientific_linux:kernel-devel, p-cpe:/a:fermilab:scientific_linux:kernel-abi-whitelists, p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/25/2016

Vulnerability Publication Date: 2/8/2016

Exploitable With

Core Impact

Reference Information

CVE: CVE-2016-0728

Detections

Analytics