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RHEL 9 : kernel (RHSA-2023:1970)

high Nessus Plugin ID 174730

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Synopsis

The remote Red Hat host is missing a security update for kernel.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1970 advisory.

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

 Security Fix(es):

 * kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)

 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):

 * RHEL9.0 64TB/240c Denali: vmcore failed, _exitcode:139 error observed while capturing vmcore during fadump after memory remove. Incomplete vmcore is captured. (BZ#2151214)

 * Support cpuset.sched_load_balance by changing default CPUset directory structure. (BZ#2161106)

 * CSB.V bit never becomes valid for NX Gzip job during LPAR migration. (BZ#2166251)

 * Update intel_idle for Eaglestream/Sapphire Rapids support. (BZ#2168359)

 * An application stopped on robust futex used via pthread_mutex_lock(). (BZ#2168837)

 * FVTR1020:Rainier:Non-HMC:MPIPL Dump is not getting offloaded to Linux partition. (BZ#2170853)

 * update qla2xxx driver to latest upstream. (BZ#2171812)

 * MSFT MANA NET Patch RHEL-9: Fix accessing freed irq affinity_hint. (BZ#2175254)

 * In FIPS mode, kernel does not transition into error state when RCT or APT health tests fail.
 (BZ#2181729)

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

Note that Nessus has not tested for this issue 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-2023:1970.

See Also

http://www.nessus.org/u?091d6d28

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

https://bugzilla.redhat.com/show_bug.cgi?id=2159505

https://access.redhat.com/errata/RHSA-2023:1970

Plugin Details

Severity: High

ID: 174730

File Name: redhat-RHSA-2023-1970.nasl

Version: 1.8

Type: local

Agent: unix

Published: 4/25/2023

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.9

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-2023-0386

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:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, cpe:/o:redhat:rhel_eus:9.0, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-cross-headers, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-devel-matched

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: 4/25/2023

Vulnerability Publication Date: 3/22/2023

Exploitable With

Core Impact

Metasploit (Local Privilege Escalation via CVE-2023-0386)

Reference Information

CVE: CVE-2023-0386

CWE: 282

RHSA: 2023:1970