RHEL 8 : kpatch-patch (RHSA-2023:5235)

high Nessus Plugin ID 181622

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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-2023:5235 advisory.

- kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)

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

- kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)

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-2023:5235.

Plugin Details

Severity: High

ID: 181622

File Name: redhat-RHSA-2023-5235.nasl

Version: 1.6

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/19/2023

Updated: 4/29/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.4

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-2023-35001

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_e4s:8.1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_80_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_81_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_83_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_85_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_87_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: 9/19/2023

Vulnerability Publication Date: 6/28/2023

Reference Information

CVE: CVE-2023-3390, CVE-2023-35001, CVE-2023-4128

CWE: 125, 416

RHSA: 2023:5235

Detections

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