RHEL 8 : kpatch-patch (RHSA-2023:7417)

high Nessus Plugin ID 186071

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-2023:7417 advisory.

- kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829)

- 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: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)

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-2023:7417.

See Also

http://www.nessus.org/u?24c8f649

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2188470

https://bugzilla.redhat.com/show_bug.cgi?id=2225097

https://bugzilla.redhat.com/show_bug.cgi?id=2225201

https://bugzilla.redhat.com/show_bug.cgi?id=2225275

https://access.redhat.com/errata/RHSA-2023:7417

Plugin Details

Severity: High

ID: 186071

File Name: redhat-RHSA-2023-7417.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/21/2023

Updated: 4/28/2024

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-2023-4004

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:8.2, 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, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_116_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: 11/21/2023

Vulnerability Publication Date: 3/17/2023

Reference Information

CVE: CVE-2023-1829, CVE-2023-3609, CVE-2023-3776, CVE-2023-4004

CWE: 119, 415, 416

RHSA: 2023:7417