Detections
Analytics
RHEL 8 : kpatch-patch (RHSA-2020:3297)
medium Nessus Plugin ID 170289
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-2020:3297 advisory.- kernel: Rogue cross-process SSBD shutdown. Linux scheduler logical bug allows an attacker to turn off the SSBD protection. (CVE-2020-10766)
- kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available. (CVE-2020-10767)
- kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command. (CVE-2020-10768)
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-2020-10766
https://access.redhat.com/security/cve/CVE-2020-10767
https://access.redhat.com/security/cve/CVE-2020-10768
https://access.redhat.com/errata/RHSA-2020:3297
https://bugzilla.redhat.com/1845840
Plugin Details
Severity: Medium
ID: 170289
File Name: redhat-RHSA-2020-3297.nasl
Version: 1.0
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 1/23/2023
Updated: 1/23/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Low
Base Score: 2.1
Temporal Score: 1.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2020-10768
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 4.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_0_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_0_3, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_13_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_20_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_3_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_5_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_8_1
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: 8/4/2020
Vulnerability Publication Date: 6/17/2020