Oracle Linux 8 : kernel (ELSA-2020-2102)

high Nessus Plugin ID 136646

Synopsis

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

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-2102 advisory.

- [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}
- [x86] kvm: x86: clear stale x86_emulate_ctxt->intercept value (Jon Maloy) [1824398 1806817] {CVE-2020-2732}
- [x86] kvm: vmx: check descriptor table exits on instruction emulation (Jon Maloy) [1824398 1806817] {CVE-2020-2732}
- [x86] kvm: nvmx: Check IO instruction VM-exit conditions (Jon Maloy) [1824398 1806817] {CVE-2020-2732}
- [x86] kvm: nvmx: Refactor IO bitmap checks into helper function (Jon Maloy) [1824398 1806817] {CVE-2020-2732}
- [x86] kvm: nvmx: Don't emulate instructions in guest mode (Jon Maloy) [1824398 1806817] {CVE-2020-2732}

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-2020-2102.html

Plugin Details

Severity: High

ID: 136646

File Name: oraclelinux_ELSA-2020-2102.nasl

Version: 1.6

Type: local

Agent: unix

Published: 5/15/2020

Updated: 11/1/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

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

CVSS Score Source: CVE-2020-11884

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/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: 5/13/2020

Vulnerability Publication Date: 2/28/2020

Reference Information

CVE: CVE-2020-10711, CVE-2020-11884, CVE-2020-2732

RHSA: 2020:2102