Detections
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RHEL 7 : kernel-rt (RHSA-2019:1176)
medium Nessus Plugin ID 125042
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Synopsis
The remote Red Hat host is missing one or more security updates for kernel-rt.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1176 advisory.- hardware: Microarchitectural Store Buffer Data Sampling (MSBDS) (CVE-2018-12126)
- hardware: Micro-architectural Load Port Data Sampling - Information Leak (MLPDS) (CVE-2018-12127)
- hardware: Microarchitectural Fill Buffer Data Sampling (MFBDS) (CVE-2018-12130)
- hardware: Microarchitectural Data Sampling Uncacheable Memory (MDSUM) (CVE-2019-11091)
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-rt package based on the guidance in RHSA-2019:1176.See Also
https://access.redhat.com/security/vulnerabilities/mds
https://access.redhat.com/errata/RHSA-2019:1176
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=1646781
https://bugzilla.redhat.com/show_bug.cgi?id=1646784
https://bugzilla.redhat.com/show_bug.cgi?id=1667782
Plugin Details
Severity: Medium
ID: 125042
File Name: redhat-RHSA-2019-1176.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/14/2019
Updated: 4/22/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.0
CVSS v2
Risk Factor: Medium
Base Score: 4.7
Temporal Score: 3.5
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:N/A:N
CVSS Score Source: CVE-2019-11091
CVSS v3
Risk Factor: Medium
Base Score: 5.6
Temporal Score: 4.9
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-doc, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-kvm, cpe:/o:redhat:enterprise_linux:7
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 5/14/2019
Vulnerability Publication Date: 5/30/2019
Reference Information
CVE: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091