RHEL 6 : kernel (RHSA-2020:0790)

critical Nessus Plugin ID 134439
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:0790 advisory.

- kernel: unprivileged users able to create RAW sockets in AF_ISDN network protocol (CVE-2019-17055)

- kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c (CVE-2019-17133)

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://access.redhat.com/errata/RHSA-2020:0790

https://cwe.mitre.org/data/definitions/120.html

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

https://access.redhat.com/security/cve/CVE-2019-17055

https://bugzilla.redhat.com/1758248

https://access.redhat.com/security/cve/CVE-2019-17133

https://bugzilla.redhat.com/1771909

Plugin Details

Severity: Critical

ID: 134439

File Name: redhat-RHSA-2020-0790.nasl

Version: 1.6

Type: local

Agent: unix

Published: 3/12/2020

Updated: 10/13/2021

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2019-17133

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:*, cpe:2.3:o:redhat:rhel_eus:6.0:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-firmware:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-headers:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perf:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:python-perf:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-abi-whitelists:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-kdump:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-kdump-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-bootwrapper:*:*:*:*:*:*:*

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: 3/11/2020

Vulnerability Publication Date: 10/1/2019

Reference Information

CVE: CVE-2019-17055, CVE-2019-17133

RHSA: 2020:0790

CWE: 120, 250