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Oracle Linux 8 : kernel (ELSA-2020-2427)

high Nessus Plugin ID 137384

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-2427 advisory.

 - [documentation] x86/speculation: Add Ivy Bridge to affected list (Josh Poimboeuf) [1827191 1827192] {CVE-2020-0543}
 - [documentation] x86/speculation: Add SRBDS vulnerability and mitigation documentation (Josh Poimboeuf) [1827191 1827192] {CVE-2020-0543}
 - [x86] x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation (Josh Poimboeuf) [1827191 1827192] {CVE-2020-0543}
 - [x86] x86/cpu: Add 'table' argument to cpu_matches() (Josh Poimboeuf) [1827191 1827192] {CVE-2020-0543}
 - [x86] x86/cpu: Add a steppings field to struct x86_cpu_id (Josh Poimboeuf) [1827191 1827192] {CVE-2020-0543}
 - [block] block, bfq: fix use-after-free in bfq_idle_slice_timer_body (Ming Lei) [1835531 1835532] {CVE-2020-12657}
 - [net] netlabel: cope with NULL catmap (Paolo Abeni) [1827249 1827251] {CVE-2020-10711}
 - [mm] s390/mm: fix page table upgrade vs 2ndary address mode accesses (Vladis Dronov) [1828153 1828154] {CVE-2020-11884}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue 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-2020-2427.html

Plugin Details

Severity: High

ID: 137384

File Name: oraclelinux_ELSA-2020-2427.nasl

Version: 1.5

Type: local

Agent: unix

Published: 6/12/2020

Updated: 11/1/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-12657

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-modules, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel

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: 6/10/2020

Vulnerability Publication Date: 5/5/2020

Reference Information

CVE: CVE-2020-12657

RHSA: 2020:2427