Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5914)

medium Nessus Plugin ID 142676

Synopsis

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

Description

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5914 advisory.

- powercap: restrict energy meter to root access (Kanth Ghatraju) [Orabug: 32040802] {CVE-2020-8694} {CVE-2020-8695}
- KVM: ioapic: break infinite recursion on lazy EOI (Vitaly Kuznetsov) [Orabug: 32066585] {CVE-2020-27152} {CVE-2020-27152}
- hdlc_ppp: add range checks in ppp_cp_parse_cr() (Dan Carpenter) [Orabug: 31989185] {CVE-2020-25643}
- geneve: add transport ports in route lookup for geneve (Mark Gray) [Orabug: 32013938] {CVE-2020-25645}
- certs: Add EFI_CERT_X509_GUID support for dbx entries (Eric Snowberg) [Orabug: 31961115] {CVE-2020-26541}
- nbd_genl_status: null check for nla_nest_start (Navid Emamdoost) [Orabug: 31972480] {CVE-2019-16089}
- vgacon: remove software scrollback support (Linus Torvalds) [Orabug: 31914650] {CVE-2020-14390}
- fbcon: remove soft scrollback code (Linus Torvalds) [Orabug: 31914650] {CVE-2020-14390}
- block: allow for_each_bvec to support zero len bvec (Ming Lei) [Orabug: 31955136] {CVE-2020-25641}
- netfilter: ctnetlink: add a range check for l3/l4 protonum (Will McVicker) [Orabug: 31872853] {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-2020-5914.html

Plugin Details

Severity: Medium

ID: 142676

File Name: oraclelinux_ELSA-2020-5914.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/10/2020

Updated: 10/23/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2020-8695

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-uek-tools, p-cpe:/a:oracle:linux:kernel-uek-tools-libs, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug

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: 11/10/2020

Vulnerability Publication Date: 11/11/2020

Reference Information

CVE: CVE-2020-8694, CVE-2020-8695