RHEL 7 : kernel (RHSA-2020:0036)

Critical Nessus Plugin ID 132700

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VPR Score: 6.7

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-2020:0036 advisory.

- kernel: Use-after-free in snd_pcm_info function in ALSA subsystem potentially leads to privilege escalation (CVE-2017-0861)

- kernel: Handling of might_cancel queueing is not properly pretected against race (CVE-2017-10661)

- kernel: kvm: guest userspace to guest kernel write (CVE-2018-10853)

- kernel: TLB flush happens too late on mremap (CVE-2018-18281)

- kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810)

- kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811)

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://cwe.mitre.org/data/definitions/250.html

https://cwe.mitre.org/data/definitions/362.html

https://cwe.mitre.org/data/definitions/416.html

https://cwe.mitre.org/data/definitions/476.html

https://cwe.mitre.org/data/definitions/672.html

https://access.redhat.com/security/cve/CVE-2017-0861

https://access.redhat.com/security/cve/CVE-2017-10661

https://access.redhat.com/security/cve/CVE-2018-10853

https://access.redhat.com/security/cve/CVE-2018-18281

https://access.redhat.com/security/cve/CVE-2019-11810

https://access.redhat.com/security/cve/CVE-2019-11811

https://access.redhat.com/errata/RHSA-2020:0036

https://bugzilla.redhat.com/1481136

https://bugzilla.redhat.com/1563994

https://bugzilla.redhat.com/1589890

https://bugzilla.redhat.com/1645121

https://bugzilla.redhat.com/1709164

https://bugzilla.redhat.com/1709180

Plugin Details

Severity: Critical

ID: 132700

File Name: redhat-RHSA-2020-0036.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2020/01/08

Updated: 2020/10/22

Dependencies: 12634, 122878

Risk Information

Risk Factor: Critical

VPR Score: 6.7

CVSS Score Source: CVE-2017-10661

CVSS v2.0

Base Score: 10

Temporal Score: 7.8

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

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7.5, cpe:/o:redhat:rhel_eus:7.5, cpe:/o:redhat:rhel_eus:7.5::computenode, cpe:/o:redhat:rhel_eus:7.5::server, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-abi-whitelists, 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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2020/01/07

Vulnerability Publication Date: 2017/08/08

Reference Information

CVE: CVE-2017-0861, CVE-2017-10661, CVE-2018-10853, CVE-2018-18281, CVE-2019-11810, CVE-2019-11811

BID: 100215, 102329, 105761, 108286, 108410

RHSA: 2020:0036

CWE: 250, 362, 416, 476, 672