RHEL 8 : kernel (RHSA-2023:5627)

high Nessus Plugin ID 182828

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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-2023:5627 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events (CVE-2023-2235)

* kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)

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

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

* kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)

* kernel: race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference (CVE-2020-36558)

* kernel: LoadPin bypass via dm-verity table reload (CVE-2022-2503)

* kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)

* kernel: xfrm_expand_policies() in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice (CVE-2022-36879)

* kernel: use-after-free due to race condition in qdisc_graft() (CVE-2023-0590)

* kernel: netfilter: NULL pointer dereference in nf_tables due to zeroed list head (CVE-2023-1095)

* kernel: hash collisions in the IPv6 connection lookup table (CVE-2023-1206)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

* [HPEMC RHEL 8 REGRESSION] acpi-cpufreq: Skip initialization if a cpufreq driver exists (BZ#2186307)

* [max] RHEL8.4 Pre-Alpha - [ 4.18.0-240.4.el8.dt2.ppc64le ][ fleetwood / P9 64TB/192c ] While performing DLPAR CPU operations BUG: arch topology borken messages are observed and CPU remove operation fails for removal of 140 with 255 return (BZ#2210295)

* [Intel 8.8 BUG] [SPR] IOMMU: QAT Device Address Translation Issue with Invalidation Completion Ordering (BZ#2221098)

* avoid unnecessary page fault retires on shared memory types (BZ#2221101)

* [i40e] error: Cannot set interface MAC/vlanid to 1e:b7:e2:02:b1:aa/0 for ifname ens4f0 vf 0: Resource temporarily unavailable (BZ#2228164)

* oops on cifs_mount due to null tcon (BZ#2229129)

* kernel panic due to stack overflow on ppc64le due to deep call chain. (BZ#2230268)

* [Hyper-V][RHEL 8]incomplete fc_transport implementation in storvsc causes null dereference in fc_timed_out() (BZ#2230744)

* Withdrawal: GFS2: couldn't freeze filesystem: -16 (BZ#2231826)

* [RHEL 8][Hyper-V]Excessive hv_storvsc driver logging with srb_status SRB_STATUS_INTERNAL_ERROR (0x30) (BZ#2231989)

* kernel-devel RPM cross-compiled by CKI contains host-arch scripts (BZ#2232138)

* RHEL-8: crypto: rng - Fix lock imbalance in crypto_del_rng (BZ#2232216)

* [Intel 8.9] iavf: Driver Update (BZ#2232400)

* Important iavf bug fixes July 2023 (BZ#2232401)

* iavf: hang in iavf_remove() - SNO node hangs after running systemctl reboot (BZ#2232404)

* [RHEL 8.9] Proactively backport locking fixes from upstream (BZ#2235394)

* NAT sport clash in OCP causing 1 second TCP connection establishment delay. (BZ#2236515)

* xfs: mount fails when device file name is long (BZ#2236814)

* netfilter: RHEL 8.8 phase 2 backports from upstream (BZ#2236817)

* swap deadlock when attempt to charge a page to a cgroup stalls waiting on I/O plugged on another task in swap code (BZ#2237686)

Enhancement(s):

* [Intel 8.7 FEAT] TSC: Avoid clock watchdog when not needed (BZ#2216051)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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.

Plugin Details

Severity: High

ID: 182828

File Name: redhat-RHSA-2023-5627.nasl

Version: 1.8

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 10/10/2023

Updated: 9/26/2025

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:bpftool, 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-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, 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-extra, p-cpe:/a:redhat:enterprise_linux:python3-perf, cpe:/o:redhat:rhel_eus:8.6

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: 10/10/2023

Vulnerability Publication Date: 7/21/2022

Reference Information

CVE: CVE-2020-36558, CVE-2022-2503, CVE-2022-2873, CVE-2022-36879, CVE-2023-0590, CVE-2023-1095, CVE-2023-1206, CVE-2023-2235, CVE-2023-3090, CVE-2023-35001, CVE-2023-4004

CWE: 125, 131, 288, 327, 416, 476, 787, 911

RHSA: 2023:5627

Detections

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