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RHEL 8 : kernel (RHSA-2022:8685)

high Nessus Plugin ID 168268

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:8685 advisory.

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

 Security Fix(es):

 * KVM: cmpxchg_gpte can write to pfns outside the userspace region (CVE-2022-1158)

 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):

 * E810-XXV - Multicast packets are not received by all VFs on the same port even though they have the same VLAN (BZ#2117027)

 * kernel BUG at kernel/sched/deadline.c:1561! [rhel-8.4.0] (BZ#2125673)

 * zfcp: fix missing auto port scan and thus missing target ports (BZ#2127851)

 * memory leak in vxlan_xmit_one (BZ#2131256)

 * nf_conntrack causing nfs to stall (BZ#2134090)

 * s390x: bpftrace Could not read symbols from /sys/kernel/debug/tracing/available_filter_functions: No such device (BZ#2134809)

 * Intel E810 PTP clock glitching (BZ#2136038)

 * configure link-down-on-close on and change interface mtu to 9000,the interface can't up (BZ#2136218)

 * dump additional CSRs for Tx hang debugging (BZ#2136515)

 * system panic during sriov sriov_test_cntvf_reboot testing (BZ#2137272)

 * arp replies not making it to switch (BZ#2137521)

 * WARNING: CPU: 0 PID: 9637 at kernel/time/hrtimer.c:1309 hrtimer_start_range_ns+0x35d/0x400 (BZ#2138956)

 * Cannot trigger kernel dump using NMI on SNO node running PAO and RT kernel (BZ#2139582)

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-2022:8685.

See Also

http://www.nessus.org/u?0412af6e

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

https://access.redhat.com/errata/RHSA-2022:8685

https://bugzilla.redhat.com/show_bug.cgi?id=2069793

Plugin Details

Severity: High

ID: 168268

File Name: redhat-RHSA-2022-8685.nasl

Version: 1.8

Type: local

Agent: unix

Published: 11/29/2022

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: Medium

Score: 6.7

Vendor

Vendor Severity: Important

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-2022-1158

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-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:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, cpe:/o:redhat:rhel_eus:8.4, 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-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel, 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-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

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: 11/29/2022

Vulnerability Publication Date: 6/6/2022

Reference Information

CVE: CVE-2022-1158

CWE: 416

RHSA: 2022:8685