RHEL 9 : kpatch-patch (RHSA-2023:4230)

high Nessus Plugin ID 178630

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:4230 advisory.

- There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url (CVE-2022-42896)

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 affected packages.

See Also

https://access.redhat.com/security/cve/CVE-2022-42896

https://access.redhat.com/errata/RHSA-2023:4230

Plugin Details

Severity: High

ID: 178630

File Name: redhat-RHSA-2023-4230.nasl

Version: 1.0

Type: local

Agent: unix

Published: 7/20/2023

Updated: 7/20/2023

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

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:9.0, cpe:/o:redhat:rhel_eus:9.0, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-70_36_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-70_43_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-70_49_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-70_50_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-70_53_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-70_58_1

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 7/20/2023

Vulnerability Publication Date: 11/23/2022

Reference Information

CVE: CVE-2022-42896

CWE: 416

RHSA: 2023:4230