RHEL 7 : kpatch-patch (RHSA-2022:7173)

high Nessus Plugin ID 166539

Synopsis

The remote Red Hat host is missing one or more security updates for kpatch-patch.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7173 advisory.

- kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715)

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

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 kpatch-patch package based on the guidance in RHSA-2022:7173.

See Also

http://www.nessus.org/u?7de92372

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

https://access.redhat.com/errata/RHSA-2022:7173

https://bugzilla.redhat.com/show_bug.cgi?id=1993988

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

Plugin Details

Severity: High

ID: 166539

File Name: redhat-RHSA-2022-7173.nasl

Version: 1.8

Type: local

Agent: unix

Published: 10/26/2022

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: Critical

Score: 9.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2021-3715

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

CVSS Score Source: CVE-2022-2588

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:7.6, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_84_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_92_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_94_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_95_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-957_97_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: 10/25/2022

Vulnerability Publication Date: 9/8/2021

Exploitable With

Core Impact

Reference Information

CVE: CVE-2021-3715, CVE-2022-2588

CWE: 416

RHSA: 2022:7173