RHEL 8 : kernel (RHSA-2022:8809)

high Nessus Plugin ID 168415

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8809 advisory.

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

Security Fix(es):

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

* kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)

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):

* x86/intel: processors require energy_perf_bias setting (BZ#2102103)

* System crashes due to list_add double add at iwl_mvm_mac_wake_tx_queue+0x71 (BZ#2112264)

* Fix SCHED_WARN_ON deadlock (BZ#2125422)

* Starting VMs on a KVM-host with EL8.6-kernel sometimes produces timejumps into the future for other already running guest-VMs [rhel.8] (BZ#2125671)

* RHEL8.4 - zfcp: fix missing auto port scan and thus missing target ports (BZ#2127850)

* vfio zero page mappings fail after 2M instances (BZ#2128516)

* The kernel needs to offer a way to reseed the Crypto DRBG and atomically extract random numbers from it (BZ#2129728)

* ice: Driver Update up to 5.19 (BZ#2130993)

* virtio-net: support XDP when not more queues (BZ#2131740)

* VMs hang after migration (BZ#2131756)

* Update NVME subsystem with bug fixes and minor changes (BZ#2132555)

* [HPE BUG] Premature swapping with swappiness=0 while theres still plenty of pagecache to be reclaimed. (BZ#2133831)

* nf_conntrack causing nfs to stall (BZ#2134089)

* Fix issue that enables STABLE_WRITES by default and causes performance regressions (BZ#2135814)

* [ice] Intel E810 PTP clock glitching (BZ#2136037)

* ice: arp replies not making it to switch (BZ#2136043)

* [ice]configure link-down-on-close on and change interface mtu to 9000,the interface can't up (BZ#2136217)

* ice: dump additional CSRs for Tx hang debugging (BZ#2136514)

* crypto/testmgr.c should not list dh, ecdh as .fips_allowed = 1 (BZ#2136525)

* FIPS module identification via name and version (BZ#2136540)

* FIPS self-tests for RSA pkcs7 signature verification (BZ#2137316)

* After upgrading to ocp4.11.1, our dpdk application using vlan strip offload is not working (BZ#2138158)

* WARNING: CPU: 0 PID: 9637 at kernel/time/hrtimer.c:1309 hrtimer_start_range_ns+0x35d/0x400 (BZ#2138954)

* [DELL EMC 8.6-RT BUG] System is not booting into RT Kernel with perc12. (BZ#2139217)

* Cannot trigger kernel dump using NMI on SNO node running PAO and RT kernel (BZ#2139581)

* Laser bias information can't be shown by ethtool on rhel8.6 (BZ#2139638)

* Nested KVM is not working on RHEL 8.6 with hardware error 0x7 (BZ#2140144)

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 RHEL kernel package based on the guidance in RHSA-2022:8809.

Plugin Details

Severity: High

ID: 168415

File Name: redhat-RHSA-2022-8809.nasl

Version: 1.8

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 12/6/2022

Updated: 11/8/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

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-2022-2639

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-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, 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, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, cpe:/o:redhat:enterprise_linux:8, 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, cpe:/o:redhat:rhel_eus:8.6, 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: 12/6/2022

Vulnerability Publication Date: 6/6/2022

Reference Information

CVE: CVE-2022-1158, CVE-2022-2639

CWE: 416, 681

RHSA: 2022:8809

Detections

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