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RHEL 6 : kernel (RHSA-2018:1319)
critical Nessus Plugin ID 109634
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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 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1319 advisory.The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* hw: cpu: speculative execution permission faults handling (CVE-2017-5754, x86 32-bit)
* Kernel: error in exception handling leads to DoS (CVE-2018-8897)
* kernel: nfsd: Incorrect handling of long RPC replies (CVE-2017-7645)
* kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824)
* kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation (CVE-2017-13166)
* kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c (CVE-2017-18017)
* kernel: Stack information leak in the EFS element (CVE-2017-1000410)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Google Project Zero for reporting CVE-2017-5754; Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting CVE-2018-8897; Mohamed Ghannam for reporting CVE-2017-8824; and Armis Labs for reporting CVE-2017-1000410.
Bug Fix(es):
These updated kernel packages include also numerous bug fixes. Space precludes documenting all of these bug fixes in this advisory. See the bug fix descriptions in the related Knowledge Article:
https://access.redhat.com/articles/3431591
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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-2018:1319.See Also
http://www.nessus.org/u?3723609e
https://access.redhat.com/security/vulnerabilities/pop_ss
https://bugzilla.redhat.com/show_bug.cgi?id=1443615
https://bugzilla.redhat.com/show_bug.cgi?id=1519160
https://bugzilla.redhat.com/show_bug.cgi?id=1519591
https://bugzilla.redhat.com/show_bug.cgi?id=1519781
https://bugzilla.redhat.com/show_bug.cgi?id=1531135
https://bugzilla.redhat.com/show_bug.cgi?id=1548412
https://bugzilla.redhat.com/show_bug.cgi?id=1567074
https://access.redhat.com/articles/3431591
http://www.nessus.org/u?892ef523
https://access.redhat.com/errata/RHSA-2018:1319
https://access.redhat.com/security/cve/CVE-2017-5754
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: Critical
ID: 109634
File Name: redhat-RHSA-2018-1319.nasl
Version: 1.17
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/9/2018
Updated: 11/5/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.5
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 8.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2017-18017
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 9.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-firmware, cpe:/o:redhat:enterprise_linux:6, 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: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: 5/10/2018
Vulnerability Publication Date: 4/18/2017
Exploitable With
Metasploit (Microsoft Windows POP/MOV SS Local Privilege Elevation Vulnerability)
Reference Information
CVE: CVE-2017-1000410, CVE-2017-13166, CVE-2017-18017, CVE-2017-5715, CVE-2017-5754, CVE-2017-7645, CVE-2017-8824, CVE-2018-8897