Scientific Linux Security Update : kernel on SL7.x x86_64

High Nessus Plugin ID 109644

Synopsis

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

Description

Security Fix(es) :

- Kernel: KVM: error in exception handling leads to wrong debug stack value (CVE-2018-1087)

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

- Kernel: ipsec: xfrm: use-after-free leading to potential privilege escalation (CVE-2017-16939)

- kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c (CVE-2018-1068)

- kernel: ptrace() incorrect error handling leads to corruption and DoS (CVE-2018-1000199)

- kernel: guest kernel crash during core dump on POWER9 host (CVE-2018-1091)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?1fbb7127

Plugin Details

Severity: High

ID: 109644

File Name: sl_20180508_kernel_on_SL7_x.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2018/05/09

Updated: 2019/04/05

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Temporal Score: 6.3

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

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSS v3.0

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: 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: 2018/05/08

Exploitable With

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

Reference Information

CVE: CVE-2017-16939, CVE-2018-1000199, CVE-2018-1068, CVE-2018-1087, CVE-2018-1091, CVE-2018-8897