RHEL 7 : kernel-rt (RHSA-2020:2085)
high Nessus Plugin ID 136525
Language:
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2085 advisory.- kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595)
- kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)
- Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
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 affected packages.See Also
https://access.redhat.com/security/cve/CVE-2019-19768
https://bugzilla.redhat.com/1786164
https://access.redhat.com/security/cve/CVE-2017-18595
https://access.redhat.com/security/cve/CVE-2020-10711
https://bugzilla.redhat.com/1758671
Plugin Details
Severity: High
ID: 136525
File Name: redhat-RHSA-2020-2085.nasl
Version: 1.7
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/12/2020
Updated: 1/23/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: CVSS2#E:U/RL:OF/RC:C
CVSS Score Source: CVE-2017-18595
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-doc:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-trace:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-trace-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-debug-kvm:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-kvm:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-trace-kvm:*:*:*:*:*:*:*
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: 5/12/2020
Vulnerability Publication Date: 9/4/2019