RHEL 7 : kernel-alt (RHSA-2020:0174)

High Nessus Plugin ID 133162

Synopsis

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

Description

An update for kernel-alt is now available for Red Hat Enterprise Linux 7.

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-alt packages provide the Linux kernel version 4.x.

Security Fix(es) :

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

* kernel: Use-after-free due to race condition in AF_PACKET implementation (CVE-2018-18559)

* kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846)

* kernel: af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr (CVE-2019-8912)

* kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net /wireless/marvell/mwifiex/ie.c (CVE-2019-10126)

* kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)

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

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

* kernel: heap overflow in mwifiex_set_uap_rates() function of Marvell Wifi Driver leading to DoS (CVE-2019-14814)

* kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS (CVE-2019-14815)

* kernel: (powerpc) incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)

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.

Bug Fix(es) :

* Kernel panic on job cleanup, related to SyS_getdents64 (BZ#1702057)

* Kernel modules generated incorrectly when system is localized to non-English language (BZ#1705285)

* RHEL-Alt-7.6 - Fixup tlbie vs store ordering issue on POWER9 (BZ#1756270)

Solution

Update the affected packages.

See Also

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

https://access.redhat.com/errata/RHSA-2020:0174

https://access.redhat.com/security/cve/cve-2018-3693

https://access.redhat.com/security/cve/cve-2018-18559

https://access.redhat.com/security/cve/cve-2019-3846

https://access.redhat.com/security/cve/cve-2019-8912

https://access.redhat.com/security/cve/cve-2019-10126

https://access.redhat.com/security/cve/cve-2019-11487

https://access.redhat.com/security/cve/cve-2019-14814

https://access.redhat.com/security/cve/cve-2019-14815

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

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

https://access.redhat.com/security/cve/cve-2019-18660

Plugin Details

Severity: High

ID: 133162

File Name: redhat-RHSA-2020-0174.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/01/22

Updated: 2020/01/24

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

CVSS Score Source: CVE-2019-3846

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: 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-debuginfo, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debuginfo, p-cpe:/a:redhat:enterprise_linux:kernel-debuginfo-common-s390x, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-doc, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-debuginfo, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:perf-debuginfo, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:python-perf-debuginfo, cpe:/o:redhat:enterprise_linux:7

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: 2020/01/21

Vulnerability Publication Date: 2018/07/10

Reference Information

CVE: CVE-2018-18559, CVE-2018-3693, CVE-2019-10126, CVE-2019-11487, CVE-2019-14814, CVE-2019-14815, CVE-2019-14816, CVE-2019-17133, CVE-2019-18660, CVE-2019-3846, CVE-2019-8912

RHSA: 2020:0174