RHEL 7 : kernel-alt (RHSA-2020:0174)
high Nessus Plugin ID 133162
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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://cwe.mitre.org/data/definitions/120.html
https://cwe.mitre.org/data/definitions/122.html
https://cwe.mitre.org/data/definitions/200.html
https://cwe.mitre.org/data/definitions/416.html
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
https://access.redhat.com/errata/RHSA-2020:0174
https://bugzilla.redhat.com/1581650
https://bugzilla.redhat.com/1641878
https://bugzilla.redhat.com/1678685
https://bugzilla.redhat.com/1703063
https://bugzilla.redhat.com/1713059
https://bugzilla.redhat.com/1716992
https://bugzilla.redhat.com/1744130
https://bugzilla.redhat.com/1744137
https://bugzilla.redhat.com/1744149
Plugin Details
Severity: High
ID: 133162
File Name: redhat-RHSA-2020-0174.nasl
Version: 1.4
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 1/22/2020
Updated: 3/24/2021
Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl
Risk Information
CVSS Score Source: CVE-2019-3846
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 8.3
Temporal Score: 6.1
Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:U/RL:OF/RC:C
CVSS v3
Risk Factor: High
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: E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:7, 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 Ease: No known exploits are available
Patch Publication Date: 1/21/2020
Vulnerability Publication Date: 1/4/2018
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