RHEL 7 : kernel (RHSA-2020:0661)

High Nessus Plugin ID 134260

New! Vulnerability Priority Rating (VPR)

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VPR Score: 6.7

Synopsis

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

Description

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es) :

* kernel: use-after-free in fs/xfs/xfs_super.c (CVE-2018-20976)

* kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver (CVE-2019-14816)

* kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c (CVE-2019-14895)

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

* kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Enhancement(s) :

* Selective backport: perf: Sync with upstream v4.16 (BZ#1782748)

Solution

Update the affected packages.

See Also

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

https://cwe.mitre.org/data/definitions/122.html

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

https://access.redhat.com/security/cve/CVE-2018-20976

https://access.redhat.com/security/cve/CVE-2019-14816

https://access.redhat.com/security/cve/CVE-2019-14895

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

https://access.redhat.com/security/cve/CVE-2019-17666

https://access.redhat.com/errata/RHSA-2020:0661

https://bugzilla.redhat.com/1743547

https://bugzilla.redhat.com/1744149

https://bugzilla.redhat.com/1763690

https://bugzilla.redhat.com/1771909

https://bugzilla.redhat.com/1774870

Plugin Details

Severity: High

ID: 134260

File Name: redhat-RHSA-2020-0661.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2020/03/06

Updated: 2020/11/18

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2019-17666

CVSS v2.0

Base Score: 8.3

Temporal Score: 6.1

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

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

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:A/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:/o:redhat:rhel_aus:7.2, cpe:/o:redhat:rhel_aus:7.2::server, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-abi-whitelists, 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-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 Ease: No known exploits are available

Patch Publication Date: 2020/03/03

Vulnerability Publication Date: 2019/08/19

Reference Information

CVE: CVE-2018-20976, CVE-2019-14816, CVE-2019-14895, CVE-2019-17133, CVE-2019-17666

RHSA: 2020:0661

CWE: 120, 122, 416