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Red Hat Enterprise Linux: RHSA-2020-3804-01 Moderate: Kernel Update

red hat
Calendar Grey September 22, 2020
Dist Redhat Esm H88
A new release has been issued for Red Hat Enterprise Linux 7.4 resolving moderate vulnerabilities within the kernel and fixing various bugs.
An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise L...

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: fuse-backed file mmap-ed onto process cmdline arguments causes denial of service (CVE-2018-1120)
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):
* [RHEL-7.9] Kdump failed to start when secure boot enabled: kexec_file_load failed: Required key not available (BZ#1866968)
* Kernel bug report in cgroups on heavily contested 3.10 node (BZ#1869506)
* System gets crashed with hard lockup after a corruption found in wait queue list [bnx2fc] (BZ#1870595)

Topics%20covered

Topics Covered

security advisory moderate denial of service kernel update bug fix kernel security Red Hat Enterprise Linux

References

https://access.redhat.com/security/cve/CVE-2018-1120 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: kernel-3.10.0-693.76.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-693.76.1.el7.noarch.rpm kernel-doc-3.10.0-693.76.1.el7.noarch.rpm
x86_64: kernel-3.10.0-693.76.1.el7.x86_64.rpm kernel-debug-3.10.0-693.76.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.76.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.76.1.el7.x86_64.rpm kernel-devel-3.10.0-693.76.1.el7.x86_64.rpm kernel-headers-3.10.0-693.76.1.el7.x86_64.rpm kernel-tools-3.10.0-693.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.76.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.76.1.el7.x86_64.rpm perf-3.10.0-693.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.76.1.el7.x86_64.rpm python-perf-3.10.0-693.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.76.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: kernel-3.10.0-693.76.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-693.76.1.el7.noarch.rpm kernel-doc-3.10.0-693.76.1.el7.noarch.rpm
ppc64le: kernel-3.10.0-693.76.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-693.76.1.el7.ppc64le.rpm kernel-debug-3.10.0-693.76.1.el7.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:3804-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3804
Issue date: 2020-09-22

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.4Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.4 Update Services for SAPSolutions.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service kernel update bug fix kernel security Red Hat Enterprise Linux

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.4) - noarch, x86_64

Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64

Red Hat Enterprise Linux Server TUS (v. 7.4) - noarch, x86_64

Bugs Fixed

1575472 - CVE-2018-1120 kernel: fuse-backed file mmap-ed onto process cmdline arguments causes denial of service

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