Detections
Analytics

Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2021-9308)

medium Nessus Plugin ID 150782

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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-2021-9308 advisory.

 - dm ioctl: fix out of bounds array access when no devices (Mikulas Patocka) [Orabug: 32860493] {CVE-2021-31916}
 - powerpc/64s: flush L1D after user accesses (Nicholas Piggin) {CVE-2020-4788}
 - powerpc/64s: flush L1D on kernel entry (Nicholas Piggin) {CVE-2020-4788}

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-2021-9308.html

Plugin Details

Severity: Medium

ID: 150782

File Name: oraclelinux_ELSA-2021-9308.nasl

Version: 1.5

Type: local

Agent: unix

Published: 6/15/2021

Updated: 10/23/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2021-31916

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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-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: 6/15/2021

Vulnerability Publication Date: 11/19/2020

Reference Information

CVE: CVE-2020-4788, CVE-2021-31916