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Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2020-5923)

medium Nessus Plugin ID 142868

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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 a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2020-5923 advisory.

 - powercap: restrict energy meter to root access (Kanth Ghatraju) [Orabug:
 32040805] {CVE-2020-8694} {CVE-2020-8695}
 - hdlc_ppp: add range checks in ppp_cp_parse_cr() (Dan Carpenter) [Orabug: 31989189] {CVE-2020-25643}
 - geneve: add transport ports in route lookup for geneve (Mark Gray) [Orabug: 32014099] {CVE-2020-25645}
 - certs: Add EFI_CERT_X509_GUID support for dbx entries (Eric Snowberg) [Orabug: 31961118] {CVE-2020-26541}
 - btrfs: Don't submit any btree write bio if the fs has errors (Qu Wenruo) [Orabug: 31265337] {CVE-2019-19377}
 - btrfs: only search for left_info if there is no right_info in try_merge_free_space (Josef Bacik) [Orabug: 31351023] {CVE-2019-19448}
 - xfs: fix boundary test in xfs_attr_shortform_verify (Eric Sandeen) [Orabug: 31895824] {CVE-2020-14385}
 - nbd_genl_status: null check for nla_nest_start (Navid Emamdoost) [Orabug: 31351789] {CVE-2019-16089}
 - efi/x86/Add missing error handling to old_memmap 1:1 mapping code (Gen Zhang) [Orabug: 31351924] {CVE-2019-12380}
 - cgroup: fix cgroup_sk_alloc() for sk_clone_lock() (Cong Wang) [Orabug: 31779798] {CVE-2020-14356}
 - netfilter: ctnetlink: add a range check for l3/l4 protonum (Will McVicker) [Orabug: 31872862] {CVE-2020-25211}
 - vgacon: remove software scrollback support (Linus Torvalds) [Orabug: 31914690] {CVE-2020-14390}
 - fbcon: remove soft scrollback code (Linus Torvalds) [Orabug: 31914690] {CVE-2020-14390}
 - block: allow for_each_bvec to support zero len bvec (Ming Lei) [Orabug: 31955141] {CVE-2020-25641}

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 kernel-uek-container package.

See Also

https://linux.oracle.com/errata/ELSA-2020-5923.html

Plugin Details

Severity: Medium

ID: 142868

File Name: oraclelinux_ELSA-2020-5923.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/12/2020

Updated: 10/22/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, 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-container, cpe:/o:oracle:linux:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2020

Vulnerability Publication Date: 11/11/2020

Reference Information

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