RHEL 8 : kernel (RHSA-2023:7539)

high Nessus Plugin ID 189642

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7539 advisory.

- hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)

- kernel: use-after-free due to race condition occurring in dvb_register_device() (CVE-2022-45884)

- kernel: use-after-free due to race condition occurring in dvb_net.c (CVE-2022-45886)

- kernel: use-after-free due to race condition occurring in dvb_ca_en50221.c (CVE-2022-45919)

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

- kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (CVE-2023-3609)

- 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)

- kernel: Race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode BUG in include/linux/swapops.h (CVE-2023-4732)

- kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (CVE-2023-38409)

- kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)

- kernel: mm/slab_common: slab_caches list corruption after kmem_cache_destroy() (CVE-2023-52562)

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 affected packages.

See Also

http://www.nessus.org/u?7656eec9

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

https://access.redhat.com/solutions/7027704

https://bugzilla.redhat.com/show_bug.cgi?id=2148510

https://bugzilla.redhat.com/show_bug.cgi?id=2148517

https://bugzilla.redhat.com/show_bug.cgi?id=2151956

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

https://bugzilla.redhat.com/show_bug.cgi?id=2223949

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

https://bugzilla.redhat.com/show_bug.cgi?id=2225511

https://bugzilla.redhat.com/show_bug.cgi?id=2230042

https://bugzilla.redhat.com/show_bug.cgi?id=2236982

https://bugzilla.redhat.com/show_bug.cgi?id=2239843

https://access.redhat.com/errata/RHSA-2023:7539

Plugin Details

Severity: High

ID: 189642

File Name: redhat-RHSA-2023-7539.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/26/2024

Updated: 4/30/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.1

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-42753

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: 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:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, cpe:/o:redhat:rhel_eus:8.8, 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-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/28/2023

Vulnerability Publication Date: 1/20/2022

Reference Information

CVE: CVE-2022-40982, CVE-2022-45884, CVE-2022-45886, CVE-2022-45919, CVE-2023-1192, CVE-2023-3609, CVE-2023-38409, CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208, CVE-2023-42753, CVE-2023-4732, CVE-2023-52562

CWE: 129, 200, 366, 401, 415, 416, 787

RHSA: 2023:7539