RHEL 8 : kernel (RHSA-2020:2429)
high Nessus Plugin ID 137275
Language:
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2429 advisory.- kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)
- Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
- Kernel: s390: page table upgrade in secondary address mode may lead to privilege escalation (CVE-2020-11884)
- kernel: use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body (CVE-2020-12657)
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-2019-18660
https://bugzilla.redhat.com/1777825
https://access.redhat.com/security/cve/CVE-2020-10711
https://bugzilla.redhat.com/1825116
https://access.redhat.com/security/cve/CVE-2020-11884
https://bugzilla.redhat.com/1828149
https://access.redhat.com/errata/RHSA-2020:2429
Plugin Details
Severity: High
ID: 137275
File Name: redhat-RHSA-2020-2429.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 6/9/2020
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: 6.7
CVSS v2
Risk Factor: Medium
Base Score: 6.9
Temporal Score: 5.1
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
Temporal Vector: CVSS2#E:U/RL:OF/RC:C
CVSS Score Source: CVE-2020-11884
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
CVSS Score Source: CVE-2020-12657
Vulnerability Information
CPE: cpe:2.3:o:redhat:rhel_e4s:8.0:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-headers:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perf:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-abi-whitelists:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-tools:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-tools-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bpftool:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-core:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-cross-headers:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-core:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-modules:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-modules-extra:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-modules:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-modules-extra:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:python3-perf:*:*:*:*:*:*:*
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: 6/9/2020
Vulnerability Publication Date: 11/27/2019
Reference Information
CVE: CVE-2019-18660, CVE-2020-11884, CVE-2020-12657, CVE-2020-10711