RHEL 8 : kpatch-patch (RHSA-2021:2716)

high Nessus Plugin ID 151864

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-2021:2716 advisory.

- kernel: race condition for removal of the HCI controller (CVE-2021-32399)

- kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected kpatch-patch-4_18_0-305, kpatch-patch-4_18_0-305_3_1 and / or kpatch-patch-4_18_0-305_7_1 packages.

See Also

https://cwe.mitre.org/data/definitions/362.html

https://cwe.mitre.org/data/definitions/787.html

https://access.redhat.com/security/cve/CVE-2021-32399

https://access.redhat.com/security/cve/CVE-2021-33909

https://access.redhat.com/errata/RHSA-2021:2716

https://bugzilla.redhat.com/1970273

https://bugzilla.redhat.com/1970807

Plugin Details

Severity: High

ID: 151864

File Name: redhat-RHSA-2021-2716.nasl

Version: 1.7

Type: local

Agent: unix

Published: 7/21/2021

Updated: 10/7/2021

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

Risk Information

CVSS Score Source: CVE-2021-33909

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_3_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_7_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: 7/21/2021

Vulnerability Publication Date: 5/10/2021

Reference Information

CVE: CVE-2021-32399, CVE-2021-33909

RHSA: 2021:2716

IAVA: 2021-A-0350

CWE: 362, 787