Detections
Analytics
RHEL 7 : kernel (RHSA-2018:0151)
high Nessus Plugin ID 106330
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Synopsis
The remote Red Hat host is missing one or more security updates for kernel.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0151 advisory.- kernel: local privesc in key management (CVE-2015-8539)
- hw: cpu: speculative execution bounds-check bypass (CVE-2017-5753)
- kernel: keyctl_set_reqkey_keyring() leaks thread keyrings (CVE-2017-7472)
- kernel: NULL pointer dereference due to KEYCTL_READ on negative key (CVE-2017-12192)
- kernel: Null pointer dereference due to incorrect node-splitting in assoc_array implementation (CVE-2017-12193)
- kernel: Use-after-free in the af_packet.c (CVE-2017-15649)
Note that Nessus has not tested for these issues 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-2018:0151.See Also
http://www.nessus.org/u?5ba98bfc
http://www.nessus.org/u?892ef523
https://access.redhat.com/articles/3327131
https://access.redhat.com/errata/RHSA-2018:0151
https://access.redhat.com/security/cve/CVE-2017-5715
https://access.redhat.com/security/cve/CVE-2017-5753
https://access.redhat.com/security/cve/CVE-2017-5754
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=1284450
https://bugzilla.redhat.com/show_bug.cgi?id=1442086
https://bugzilla.redhat.com/show_bug.cgi?id=1493435
https://bugzilla.redhat.com/show_bug.cgi?id=1501215
https://bugzilla.redhat.com/show_bug.cgi?id=1504574
https://bugzilla.redhat.com/show_bug.cgi?id=1519778
Plugin Details
Severity: High
ID: 106330
File Name: redhat-RHSA-2018-0151.nasl
Version: 1.19
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 1/25/2018
Updated: 4/27/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 8.4
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2015-8539
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
CVSS Score Source: CVE-2017-15649
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, cpe:/o:redhat:enterprise_linux:7, 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-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, 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: 1/25/2018
Vulnerability Publication Date: 2/8/2016
Reference Information
CVE: CVE-2015-8539, CVE-2017-12192, CVE-2017-12193, CVE-2017-15649, CVE-2017-5753, CVE-2017-7472