RHEL 7 : kernel (RHSA-2019:1946)

high Nessus Plugin ID 127633

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1946 advisory.

- Kernel: kvm: nVMX: L2 guest could access hardware(L0) CR8 register (CVE-2017-12154)

- kernel: net: double-free and memory corruption in get_net_ns_by_id() (CVE-2017-15129)

- kernel: dereferencing NULL payload with nonzero length (CVE-2017-15274)

- Kernel: speculative bounds check bypass store (CVE-2018-3693)

- kernel: stack-based buffer overflow in chap_server_compute_md5() in iscsi target (CVE-2018-14633)

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

http://www.nessus.org/u?b8c46429

https://access.redhat.com/solutions/3523601

https://bugzilla.redhat.com/show_bug.cgi?id=1491224

https://bugzilla.redhat.com/show_bug.cgi?id=1500391

https://bugzilla.redhat.com/show_bug.cgi?id=1531174

https://bugzilla.redhat.com/show_bug.cgi?id=1581650

https://bugzilla.redhat.com/show_bug.cgi?id=1626035

https://access.redhat.com/errata/RHSA-2019:1946

https://access.redhat.com/security/updates/classification/#important

Plugin Details

Severity: High

ID: 127633

File Name: redhat-RHSA-2019-1946.nasl

Version: 1.7

Type: local

Agent: unix

Published: 8/12/2019

Updated: 4/28/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2018-14633

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

CVSS Score Source: CVE-2017-12154

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python-perf, cpe:/o:redhat:rhel_eus:7.4

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 7/30/2019

Vulnerability Publication Date: 9/26/2017

Reference Information

CVE: CVE-2017-12154, CVE-2017-15129, CVE-2017-15274, CVE-2018-14633, CVE-2018-3693

CWE: 121, 200, 284, 362, 476

RHSA: 2019:1946