Detections
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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5912)

high Nessus Plugin ID 142483

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Synopsis

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

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5912 advisory.

 - kexec: validate pe files against the system_blacklist_keyring (Eric Snowberg) [Orabug: 31961119] {CVE-2020-26541}
 - usb: cdc-acm: make sure a refcount is taken early enough (Oliver Neukum) [Orabug: 31351088] {CVE-2019-19530}
 - netfilter: ctnetlink: add a range check for l3/l4 protonum (Will McVicker) [Orabug: 31872865] {CVE-2020-25211}

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-2020-5912.html

Plugin Details

Severity: High

ID: 142483

File Name: oraclelinux_ELSA-2020-5912.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/5/2020

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.3

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

CVSS Score Source: CVE-2016-7913

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, cpe:/o:oracle:linux:6

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/6/2020

Vulnerability Publication Date: 11/7/2016

Reference Information

CVE: CVE-2016-7913, CVE-2016-7917, CVE-2019-19530, CVE-2020-25211, CVE-2020-25643, CVE-2020-26541

BID: 94147, 94201