Detections
Analytics
RHEL 7 : kernel (RHSA-2019:0818)
high Nessus Plugin ID 124256
Language:
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-2019:0818 advisory.- Kernel: KVM: potential use-after-free via kvm_ioctl_create_device() (CVE-2019-6974)
- Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer (CVE-2019-7221)
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-2019:0818.See Also
http://www.nessus.org/u?78c0efd6
https://access.redhat.com/errata/RHSA-2019:0818
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 124256
File Name: redhat-RHSA-2019-0818.nasl
Version: 1.6
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 4/24/2019
Updated: 4/24/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2019-6974
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-headers, cpe:/o:redhat:enterprise_linux:7, 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-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, 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: 4/23/2019
Vulnerability Publication Date: 2/15/2019
Reference Information
CVE: CVE-2019-6974, CVE-2019-7221