RHEL 8 : kernel (RHSA-2023:5627)

high Nessus Plugin ID 182828

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.

- 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)

- 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)

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?1aa80882

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

https://bugzilla.redhat.com/show_bug.cgi?id=2112693

https://bugzilla.redhat.com/show_bug.cgi?id=2119048

https://bugzilla.redhat.com/show_bug.cgi?id=2119855

https://bugzilla.redhat.com/show_bug.cgi?id=2165741

https://bugzilla.redhat.com/show_bug.cgi?id=2173973

https://bugzilla.redhat.com/show_bug.cgi?id=2175903

https://bugzilla.redhat.com/show_bug.cgi?id=2177862

https://bugzilla.redhat.com/show_bug.cgi?id=2192589

https://bugzilla.redhat.com/show_bug.cgi?id=2218672

https://bugzilla.redhat.com/show_bug.cgi?id=2220892

https://bugzilla.redhat.com/show_bug.cgi?id=2225275

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

https://access.redhat.com/errata/RHSA-2023:5627

Plugin Details

Severity: High

ID: 182828

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

Version: 1.3

Type: local

Agent: unix

Published: 10/10/2023

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: High

Score: 8.4

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-2023-4004

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: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_eus:8.6, 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-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, 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: 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, CVE-2023-4128

CWE: 125, 131, 288, 400, 416, 476, 787, 911

RHSA: 2023:5627