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Oracle Linux 7 : kernel (ELSA-2020-2664)

medium Nessus Plugin ID 137820

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-2664 advisory.

 - [x86] x86/speculation: Support old struct x86_cpu_id & x86_match_cpu() kABI (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [documentation] x86/speculation: Add Ivy Bridge to affected list (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [documentation] x86/speculation: Add SRBDS vulnerability and mitigation documentation (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [x86] x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [x86] x86/cpu: Add 'table' argument to cpu_matches() (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [x86] x86/cpu: Add a steppings field to struct x86_cpu_id (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [x86] x86/cpu/bugs: Convert to new matching macros (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [x86] x86/cpu: Add consistent CPU match macros (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [cpufreq] x86/devicetable: Move x86 specific macro out of generic code (Waiman Long) [1827187 1827188] {CVE-2020-0543} header (Waiman Long) [1827187 1827188] {CVE-2020-0543}
 - [vfio] vfio-pci: Invalidate mmaps and block MMIO access on disabled memory (Alex Williamson) [1837297 1820632] {CVE-2020-12888}
 - [vfio] vfio-pci: Fault mmaps to enable vma tracking (Alex Williamson) [1837297 1820632] {CVE-2020-12888}
 - [vfio] vfio/type1: Support faulting PFNMAP vmas (Alex Williamson) [1837297 1820632] {CVE-2020-12888}
 - [vfio] vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn() (Alex Williamson) [1837297 1820632] {CVE-2020-12888}
 - [vfio] vfio/pci: call irq_bypass_unregister_producer() before freeing irq (Alex Williamson) [1837297 1820632] {CVE-2020-12888}
 - [vfio] vfio_pci: Enable memory accesses before calling pci_map_rom (Alex Williamson) [1837297 1820632] {CVE-2020-12888}

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-2020-2664.html

Plugin Details

Severity: Medium

ID: 137820

File Name: oraclelinux_ELSA-2020-2664.nasl

Version: 1.6

Type: local

Agent: unix

Published: 6/25/2020

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: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2020-12888

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel

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: 6/23/2020

Vulnerability Publication Date: 5/15/2020

Reference Information

CVE: CVE-2020-12888

RHSA: 2020:2664