RHEL 8 : kpatch-patch (RHSA-2023:5580)

high Nessus Plugin ID 182834

Language:

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-2023:5580 advisory.

- kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)

- 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-2023:5580.

Plugin Details

Severity: High

ID: 182834

File Name: redhat-RHSA-2023-5580.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 10/10/2023

Updated: 4/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2022-42896

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_100_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_105_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_109_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_113_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: 10/10/2023

Vulnerability Publication Date: 11/23/2022

Reference Information

CVE: CVE-2022-42896, CVE-2023-4128

CWE: 416

RHSA: 2023:5580

Detections

Analytics