RHEL 8 : kernel (RHSA-2024:2006)

high Nessus Plugin ID 193784

Synopsis

The remote Red Hat host is missing one or more security updates for kernel.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2006 advisory.

- kernel: netfilter: divide error in nft_limit_init (CVE-2021-46915)

- kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)

- kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)

- kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup() (CVE-2023-4459)

- kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

- kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)

- kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)

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 kernel package based on the guidance in RHSA-2024:2006.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=2154178

https://bugzilla.redhat.com/show_bug.cgi?id=2219268

https://bugzilla.redhat.com/show_bug.cgi?id=2224048

https://bugzilla.redhat.com/show_bug.cgi?id=2256279

https://bugzilla.redhat.com/show_bug.cgi?id=2265645

https://bugzilla.redhat.com/show_bug.cgi?id=2266423

https://bugzilla.redhat.com/show_bug.cgi?id=2267695

http://www.nessus.org/u?6d4e8e87

https://access.redhat.com/errata/RHSA-2024:2006

Plugin Details

Severity: High

ID: 193784

File Name: redhat-RHSA-2024-2006.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/24/2024

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: 7.4

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-2023-3812

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:8.2, cpe:/o:redhat:rhel_e4s:8.2, cpe:/o:redhat:rhel_tus:8.2, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-cross-headers, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python3-perf

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: 4/23/2024

Vulnerability Publication Date: 1/12/2022

Reference Information

CVE: CVE-2021-46915, CVE-2023-1192, CVE-2023-3812, CVE-2023-4459, CVE-2023-7192, CVE-2024-26586, CVE-2024-26602

CWE: 369, 401, 416, 476, 787

RHSA: 2024:2006