RHEL 8 : kpatch-patch (RHSA-2023:5775)

high Nessus Plugin ID 183227

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:5775 advisory.

- kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (CVE-2023-3609)

- kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)

- kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (CVE-2023-4128)

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-2023:5775.

Plugin Details

Severity: High

ID: 183227

File Name: redhat-RHSA-2023-5775.nasl

Version: 1.3

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 10/17/2023

Updated: 8/5/2024

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: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2023-3776

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_82_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_86_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_103_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_91_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_97_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-305_88_1, cpe:/o:redhat:rhel_e4s:8.4

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: 10/17/2023

Vulnerability Publication Date: 7/21/2023

Reference Information

CVE: CVE-2023-3609, CVE-2023-3776, CVE-2023-4128

CWE: 415, 416

RHSA: 2023:5775

Detections

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