RHEL 6 : kernel-rt (RHSA-2020:0100)
high Nessus Plugin ID 132947
Language:
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:0100 advisory.- kernel: TLB flush happens too late on mremap (CVE-2018-18281)
- kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856)
- kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599)
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/errata/RHSA-2020:0100
https://access.redhat.com/security/cve/CVE-2018-20856
https://access.redhat.com/security/cve/CVE-2019-11599
https://access.redhat.com/security/cve/CVE-2018-18281
https://bugzilla.redhat.com/1645121
Plugin Details
Severity: High
ID: 132947
File Name: redhat-RHSA-2020-0100.nasl
Version: 1.6
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 1/16/2020
Updated: 1/23/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment
Risk Information
VPR
Risk Factor: High
Score: 7.4
CVSS v2
Risk Factor: Medium
Base Score: 6.9
Temporal Score: 5.4
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
Temporal Vector: CVSS2#E:POC/RL:OF/RC:C
CVSS Score Source: CVE-2019-11599
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7
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:P/RL:O/RC:C
CVSS Score Source: CVE-2018-20856
Vulnerability Information
CPE: cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:*, 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-firmware:*:*:*:*:*:*:*, 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-vanilla:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-vanilla-devel:*:*:*:*:*:*:*
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: 1/14/2020
Vulnerability Publication Date: 10/3/2018