Processor Speculative Execution Vulnerabilities (Linux)

medium Nessus Plugin ID 125216
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Synopsis

The remote host is has not properly mitigated a series of speculative execution vulnerabilities.

Description

The remote host has not properly mitigated a series of known speculative execution vulnerabilities. It, therefore, may be affected by :
- Spectre variant 1 (CVE-2017-5753)
- Spectre variant 2 (CVE-2017-5715)
- Meltdown (CVE-2017-5754)

Solution

Properly mitigate the vulnerabilities.

See Also

https://access.redhat.com/articles/3311301

Plugin Details

Severity: Medium

ID: 125216

File Name: linux_kernel_speculative_execution_detect.nbin

Version: 1.117

Type: local

Agent: unix

Family: Misc.

Published: 5/16/2019

Updated: 9/13/2021

Dependencies: ssh_proc_cpuinfo.nasl

Risk Information

CVSS Score Source: CVE-2017-5715

VPR

Risk Factor: High

Score: 8.5

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

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

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.4

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

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux

Required KB Items: Host/proc/cpuinfo

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/4/2018

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754

BID: 102371, 102376, 102378