Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20180508) (Meltdown)

critical Nessus Plugin ID 109643
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

Security Fix(es) :

- hw: cpu: speculative execution permission faults handling (CVE-2017-5754)

- Kernel: error in exception handling leads to DoS (CVE-2018-8897)

- kernel: nfsd: Incorrect handling of long RPC replies (CVE-2017-7645)

- kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824)

- kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation (CVE-2017-13166)

- kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c (CVE-2017-18017)

- kernel: Stack information leak in the EFS element (CVE-2017-1000410)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?b41a480c

Plugin Details

Severity: Critical

ID: 109643

File Name: sl_20180508_kernel_on_SL6_x.nasl

Version: 1.7

Type: local

Agent: unix

Published: 5/9/2018

Updated: 2/24/2020

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:kernel, p-cpe:/a:fermilab:scientific_linux:kernel-abi-whitelists, p-cpe:/a:fermilab:scientific_linux:kernel-debug, p-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debug-devel, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-i686, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-x86_64, p-cpe:/a:fermilab:scientific_linux:kernel-devel, p-cpe:/a:fermilab:scientific_linux:kernel-doc, p-cpe:/a:fermilab:scientific_linux:kernel-firmware, p-cpe:/a:fermilab:scientific_linux:kernel-headers, p-cpe:/a:fermilab:scientific_linux:perf, p-cpe:/a:fermilab:scientific_linux:perf-debuginfo, p-cpe:/a:fermilab:scientific_linux:python-perf, p-cpe:/a:fermilab:scientific_linux:python-perf-debuginfo, x-cpe:/o:fermilab:scientific_linux

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: 5/8/2018

Vulnerability Publication Date: 4/18/2017

Exploitable With

Metasploit (Microsoft Windows POP/MOV SS Local Privilege Elevation Vulnerability)

Reference Information

CVE: CVE-2017-1000410, CVE-2017-13166, CVE-2017-18017, CVE-2017-5754, CVE-2017-7645, CVE-2017-8824, CVE-2018-8897

IAVA: 2018-A-0019