RHEL 8 : kpatch-patch (RHSA-2023:3431)

high Nessus Plugin ID 176723

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-2023:3431 advisory.

- A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211087. (CVE-2022-3564)

- A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-4378)

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-2023:3431.

See Also

https://access.redhat.com/security/cve/CVE-2022-3564

https://access.redhat.com/security/cve/CVE-2022-4378

https://access.redhat.com/errata/RHSA-2023:3431

Plugin Details

Severity: High

ID: 176723

File Name: redhat-RHSA-2023-3431.nasl

Version: 1.1

Type: local

Agent: unix

Published: 6/6/2023

Updated: 1/26/2024

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

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

CVSS Score Source: CVE-2022-4378

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_36_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_40_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_41_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_46_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_51_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-372_52_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: 6/5/2023

Vulnerability Publication Date: 10/17/2022

Reference Information

CVE: CVE-2022-3564, CVE-2022-4378

CWE: 120, 131, 416, 787

RHSA: 2023:3431