RHEL 8 : kernel (RHSA-2020:2199)

high Nessus Plugin ID 136717

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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-2020:2199 advisory.

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

Security Fix(es):

* kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)

* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)

* Kernel: s390: page table upgrade in secondary address mode may lead to privilege escalation (CVE-2020-11884)

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):

* [FJ8.1 Bug]: A system panic occurs when an I/O timeout occurs. (BZ#1787296)

* [i40e]BUG: unable to handle kernel NULL pointer dereference at 0000000000000029 (BZ#1802483)

* [OSP16] [offload] [mellanox] VF representors of 2nd nic of bond is NOT renamed as <PF>_<VFid> (BZ#1802484)

* The kernel crashes in nbd_check_sock_type() due to stack corruption if the socket address family is AF_INET6. (BZ#1807605)

* Hung kernel tasks with LPm16004B-L when fabric paths are returning (BZ#1807831)

* bitops: protect variables in set_mask_bits() macro (kernel) (BZ#1809042)

* [RHEL8] blktests block/007 test failed (BZ#1812806)

* [RHEL8.2 Alpha] Server panics with NULL pointer dereference during boot in selinux_task_to_inode() (BZ#1812807)

* [RHEL8] Kernel panic on job cleanup, related to SyS_getdents64 (BZ#1812808)

* [HPE 8.2 Bug] kernel ignores NMI from ilo (BZ#1816830)

* [RHEL8.2][Azure]Commits to resolve high network latency (BZ#1817944)

* cpu.share scheduling performance issue (BZ#1819908)

* [RHEL8] Scheduler - backport asymetrical and misfit enhancements (BZ#1821370)

* RHEL8.0 - powerpc/powernv: Enhance opal message read interface (BZ#1822205)

* SCSI updates for 8.2 (BZ#1822252)

Enhancement(s):

* [RFE] Backport RCU dependecies for kernel-rt (rhel-rt-8.2.0) from stable (BZ#1826215)

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: 136717

File Name: redhat-RHSA-2020-2199.nasl

Version: 1.11

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/20/2020

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: 6.9

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-11884

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: 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-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-core, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, cpe:/o:redhat:rhel_eus:8.1, 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

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 5/19/2020

Vulnerability Publication Date: 12/12/2019

Reference Information

CVE: CVE-2019-19768, CVE-2020-10711, CVE-2020-11884

CWE: 1251, 416, 476

RHSA: 2020:2199

Detections

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