Detections
Analytics
RHEL 8 : kernel-rt (RHSA-2021:0004)
medium Nessus Plugin ID 144705
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Synopsis
The remote Red Hat host is missing a security update for kernel-rt.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0004 advisory.- kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
Note that Nessus has not tested for this issue 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-2021:0004.See Also
http://www.nessus.org/u?2c4131ca
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/errata/RHSA-2021:0004
Plugin Details
Severity: Medium
ID: 144705
File Name: redhat-RHSA-2021-0004.nasl
Version: 1.11
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 1/4/2021
Updated: 4/28/2024
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: Low
Base Score: 3.6
Temporal Score: 2.8
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:P
CVSS Score Source: CVE-2020-25211
CVSS v3
Risk Factor: Medium
Base Score: 6
Temporal Score: 5.4
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, 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-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra
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: 1/4/2021
Vulnerability Publication Date: 9/9/2020
Reference Information
CVE: CVE-2020-25211