RHEL 7 : kpatch-patch (RHSA-2023:4023)

high Nessus Plugin ID 178120

Synopsis

The remote Red Hat host is missing a security update for kpatch-patch.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:4023 advisory.

The kpatch management tool provides a kernel patching infrastructure which allows you to patch a running kernel without rebooting or restarting any processes.

Security Fix(es):

* kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL kpatch-patch package based on the guidance in RHSA-2023:4023.

See Also

http://www.nessus.org/u?2013137f

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

https://bugzilla.redhat.com/show_bug.cgi?id=2114849

https://access.redhat.com/errata/RHSA-2023:4023

Plugin Details

Severity: High

ID: 178120

File Name: redhat-RHSA-2023-4023.nasl

Version: 1.6

Type: local

Agent: unix

Published: 7/11/2023

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2022-2588

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: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_71_1, cpe:/o:redhat:rhel_e4s:7.7, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1062_72_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: 7/11/2023

Vulnerability Publication Date: 11/2/2022

Exploitable With

Core Impact

Reference Information

CVE: CVE-2022-2588

CWE: 416

RHSA: 2023:4023