RHEL 7 : kpatch-patch (RHSA-2023:7419)

high Nessus Plugin ID 186058

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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 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7419 advisory.

- kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead (CVE-2023-3611)

- kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)

- kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)

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-2023:7419.

Plugin Details

Severity: High

ID: 186058

File Name: redhat-RHSA-2023-7419.nasl

Version: 1.2

Type: local

Agent: unix

Family: Red Hat Local Security Checks

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-2023-4208

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:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_102_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_90_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_92_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_95_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-3_10_0-1160_99_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: 7/21/2023

Reference Information

CVE: CVE-2023-3611, CVE-2023-3776, CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208

CWE: 416, 787

RHSA: 2023:7419

Detections

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