RHEL 7 : kernel (RHSA-2018:1348)
high Nessus Plugin ID 109638
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New! Plugin Severity Now Using CVSS v3
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
An update for kernel is now available for Red Hat Enterprise Linux 7.3 Extended Update Support.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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es) :
* Kernel: KVM: error in exception handling leads to wrong debug stack value (CVE-2018-1087)
* Kernel: error in exception handling leads to DoS (CVE-2018-8897)
* kernel: ptrace() incorrect error handling leads to corruption and DoS (CVE-2018-1000199)
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 Andy Lutomirski for reporting CVE-2018-1087 and CVE-2018-1000199 and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting CVE-2018-8897.
Solution
Update the affected packages.See Also
https://access.redhat.com/security/vulnerabilities/pop_ss
https://access.redhat.com/errata/RHSA-2018:1348
https://access.redhat.com/security/cve/cve-2018-1087
Plugin Details
Severity: High
ID: 109638
File Name: redhat-RHSA-2018-1348.nasl
Version: 1.14
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/9/2018
Updated: 10/24/2019
Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl
Risk Information
VPR
Risk Factor: Critical
Score: 9.6
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:H/RL:OF/RC:C
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: E:H/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-debuginfo-common-x86_64, 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:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-debuginfo, 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:perf-debuginfo, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:python-perf-debuginfo, cpe:/o:redhat:enterprise_linux:7.3
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: 5/8/2018
Vulnerability Publication Date: 5/8/2018
Exploitable With
Metasploit (Microsoft Windows POP/MOV SS Local Privilege Elevation Vulnerability)
Reference Information
RHSA: 2018:1348