Detections
Analytics

Oracle Linux 7 : kernel (ELSA-2019-0512)

high Nessus Plugin ID 122864

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Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-0512 advisory.

 - [fs] proc: restrict kernel stack dumps to root (Joe Lawrence) [1642401 1638194] {CVE-2018-17972}
 - [fs] proc: use 'unsigned int' for /proc/*/stack (Joe Lawrence) [1642401 1638194] {CVE-2018-17972}
 - [net] Set sk_prot_creator when cloning sockets to the right proto (Andrea Claudi) [1657351 1657352] {CVE-2018-9568}
 - [kernel] bpf: 32-bit RSH verification must truncate input before the ALU op (Jiri Olsa) [1641387 1641388] {CVE-2018-18445}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2019-0512.html

Plugin Details

Severity: High

ID: 122864

File Name: oraclelinux_ELSA-2019-0512.nasl

Version: 1.10

Type: local

Agent: unix

Published: 3/15/2019

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2018-9568

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/13/2019

Vulnerability Publication Date: 9/28/2017

Reference Information

CVE: CVE-2018-17972, CVE-2018-18445, CVE-2018-9568

RHSA: 2019:0512