RHEL 9 : kpatch-patch (RHSA-2024:0381)

high Nessus Plugin ID 189523

Synopsis

The remote Red Hat host is missing one or more security updates for kpatch-patch.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0381 advisory.

- kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)

- kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

- kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

- kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)

- kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)

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-2024:0381.

See Also

http://www.nessus.org/u?3d291b2f

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

https://bugzilla.redhat.com/show_bug.cgi?id=2226783

https://bugzilla.redhat.com/show_bug.cgi?id=2237757

https://bugzilla.redhat.com/show_bug.cgi?id=2237760

https://bugzilla.redhat.com/show_bug.cgi?id=2240249

https://bugzilla.redhat.com/show_bug.cgi?id=2244723

https://access.redhat.com/errata/RHSA-2024:0381

Plugin Details

Severity: High

ID: 189523

File Name: redhat-RHSA-2024-0381.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/25/2024

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: High

Score: 7.3

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-2023-4623

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2023-2163

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:9.2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-284_18_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-284_25_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-284_30_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-284_40_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: 1/23/2024

Vulnerability Publication Date: 5/11/2023

Reference Information

CVE: CVE-2023-2163, CVE-2023-39191, CVE-2023-45871, CVE-2023-4622, CVE-2023-4623

CWE: 120, 20, 416, 682

RHSA: 2024:0381