Detections
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RHEL 8 : kpatch-patch (RHSA-2021:2099)
high Nessus Plugin ID 149898
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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-2021:2099 advisory.- kernel: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466)
- kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)
- kernel: Use after free via PI futex state (CVE-2021-3347)
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-2020-0466
https://access.redhat.com/security/cve/CVE-2020-28374
https://access.redhat.com/security/cve/CVE-2021-3347
https://access.redhat.com/errata/RHSA-2021:2099
https://bugzilla.redhat.com/1899804
Plugin Details
Severity: High
ID: 149898
File Name: redhat-RHSA-2021-2099.nasl
Version: 1.10
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/25/2021
Updated: 12/28/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-3347
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.3
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2020-28374
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_20_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_24_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_27_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_32_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_34_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_38_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_43_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_44_1
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: 5/25/2021
Vulnerability Publication Date: 12/14/2020