Detections
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Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9306)

high Nessus Plugin ID 150778

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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-2021-9306 advisory.

 - sctp: delay auto_asconf init until binding the first addr (Xin Long) [Orabug: 32907967] {CVE-2021-23133} {CVE-2021-23133}
 - dm ioctl: fix out of bounds array access when no devices (Mikulas Patocka) [Orabug: 32860491] {CVE-2021-31916}
 - scsi: target: Fix XCOPY NAA identifier lookup (David Disseldorp) {CVE-2020-28374}
 - bpf, x86: Validate computation of branch displacements for x86-64 (Piotr Krysiuk) [Orabug: 32759959] {CVE-2021-29154}
 - KVM: SVM: avoid infinite loop on NPF from bad address (John Donnelly) [Orabug: 32759746] {CVE-2020-36310}

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-2021-9306.html

Plugin Details

Severity: High

ID: 150778

File Name: oraclelinux_ELSA-2021-9306.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/15/2021

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2021-29154

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

CVSS Score Source: CVE-2020-28374

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/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/15/2021

Vulnerability Publication Date: 1/13/2021

Reference Information

CVE: CVE-2020-28374, CVE-2020-36310, CVE-2021-23133, CVE-2021-29154, CVE-2021-31916