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Red Hat Enterprise Linux 7.6 RHSA-2019-4168-01 Major Kernel Security Update

red hat
Calendar Grey December 10, 2019
Dist Redhat Esm H88
Essential core patch for Red Hat tackles significant vulnerabilities and bugs, enhancing overall system robustness and safety.
An update for kernel is now available for Red Hat Enterprise Linux 7.6 Extended Update Support

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)
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):
* [HPEMC 7.7 BUG] Protect against concurrent calls into UV BIOS (BZ#1720367)
* A cluster node has multiple hung "mv" processes that are accessing a gfs2 filesystem. (BZ#1721911)
* alua messages flooding serial console leading to cluster failover delays (BZ#1754849)
* kernel build: parallelize redhat/mod-sign.sh (BZ#1755329)
* kernel build: speed up module compression step (BZ#1755338)
* Nested VirtualBox VMs on Windows guest has the potential of impacting memory region allocated to other KVM guests (BZ#1755782)
* [Intel 7.8 Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM. (BZ#1757756)
* OS getting restarted because of driver issue with QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA [1077:2532] (rev 02). (BZ#1759446)
* patchset for x86/atomic: Fix smp_mb__{before,after}_atomic() (BZ#1772810)

Topics%20covered

Topics Covered

security advisory update bug fix Red Hat Enterprise Linux important heap overflow kernel

References

https://access.redhat.com/security/cve/CVE-2019-9500 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source: kernel-3.10.0-957.41.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-957.41.1.el7.noarch.rpm kernel-doc-3.10.0-957.41.1.el7.noarch.rpm
x86_64: bpftool-3.10.0-957.41.1.el7.x86_64.rpm kernel-3.10.0-957.41.1.el7.x86_64.rpm kernel-debug-3.10.0-957.41.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.41.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.41.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.41.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.41.1.el7.x86_64.rpm kernel-devel-3.10.0-957.41.1.el7.x86_64.rpm kernel-headers-3.10.0-957.41.1.el7.x86_64.rpm kernel-tools-3.10.0-957.41.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.41.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.41.1.el7.x86_64.rpm perf-3.10.0-957.41.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.41.1.el7.x86_64.rpm python-perf-3.10.0-957.41.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.41.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
x86_64: kernel-debug-debuginfo-3.10.0-957.41.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.41.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.41.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.41.1.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:4168-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4168
Issue date: 2019-12-10

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.6Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory update bug fix Red Hat Enterprise Linux important heap overflow kernel

Relevant Releases Architectures

Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64

Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, x86_64

Bugs Fixed

1701224 - CVE-2019-9500 kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results

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