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RHEL 7 : kernel (RHSA-2020:3804)
medium Nessus Plugin ID 140745
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Synopsis
The remote Red Hat host is missing a security update for kernel.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:3804 advisory.The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: fuse-backed file mmap-ed onto process cmdline arguments causes denial of service (CVE-2018-1120)
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):
* [RHEL-7.9] Kdump failed to start when secure boot enabled: kexec_file_load failed: Required key not available (BZ#1866968)
* Kernel bug report in cgroups on heavily contested 3.10 node (BZ#1869506)
* System gets crashed with hard lockup after a corruption found in wait queue list [bnx2fc] (BZ#1870595)
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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 RHEL kernel package based on the guidance in RHSA-2020:3804.See Also
https://access.redhat.com/errata/RHSA-2020:3804
https://access.redhat.com/security/updates/classification/#moderate
Plugin Details
Severity: Medium
ID: 140745
File Name: redhat-RHSA-2020-3804.nasl
Version: 1.13
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 9/23/2020
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
Vendor
Vendor Severity: Moderate
CVSS v2
Risk Factor: Low
Base Score: 3.5
Temporal Score: 2.7
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P
CVSS Score Source: CVE-2018-1120
CVSS v3
Risk Factor: Medium
Base Score: 5.3
Temporal Score: 4.8
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_e4s:7.4, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, cpe:/o:redhat:rhel_aus:7.4, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:python-perf, cpe:/o:redhat:rhel_tus:7.4, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux: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: 9/22/2020
Vulnerability Publication Date: 5/17/2018
Reference Information
CVE: CVE-2018-1120
BID: 104229