RHEL 8 : kernel-rt (RHSA-2023:0854)

high Nessus Plugin ID 171717

Synopsis

The remote Red Hat host is missing one or more security updates for kernel-rt.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:0854 advisory.

- kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)

- kernel: mm/mremap.c use-after-free vulnerability (CVE-2022-41222)

- kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)

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 RHEL kernel-rt package based on the guidance in RHSA-2023:0854.

See Also

http://www.nessus.org/u?f647c3cd

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2119048

https://bugzilla.redhat.com/show_bug.cgi?id=2138818

https://bugzilla.redhat.com/show_bug.cgi?id=2141752

https://access.redhat.com/errata/RHSA-2023:0854

Plugin Details

Severity: High

ID: 171717

File Name: redhat-RHSA-2023-0854.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2/21/2023

Updated: 4/28/2024

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: Medium

Base Score: 6

Temporal Score: 4.7

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2022-41222

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra

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: 2/21/2023

Vulnerability Publication Date: 8/22/2022

Reference Information

CVE: CVE-2022-2873, CVE-2022-41222, CVE-2022-43945

CWE: 131, 416, 770

RHSA: 2023:0854