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Red Hat Enterprise Linux 7: RHSA-2019:1873-01 Important Kernel Update

red hat
Calendar Grey July 29, 2019
Dist Redhat Esm H88
Ubuntu's Crucial System Update Tackles Various Security Vulnerabilities and Provides Bug Fixes for Improved Performance.
An update for kernel is now available for Red Hat Enterprise Linux 7

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: nfs: use-after-free in svc_process_common() (CVE-2018-16884)
* kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation (CVE-2019-11085)
* kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence (CVE-2018-16871)
* kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811)
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) and Enhancement(s):
These updated kernel packages include also numerous bug fixes and add several enhancements. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/4309211

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation bug fix Red Hat Enterprise Linux NFS issue

References

https://access.redhat.com/security/cve/CVE-2018-16871 https://access.redhat.com/security/cve/CVE-2018-16884 https://access.redhat.com/security/cve/CVE-2019-11085 https://access.redhat.com/security/cve/CVE-2019-11811 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/articles/4309211

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: kernel-3.10.0-957.27.2.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-957.27.2.el7.noarch.rpm kernel-doc-3.10.0-957.27.2.el7.noarch.rpm
x86_64: bpftool-3.10.0-957.27.2.el7.x86_64.rpm kernel-3.10.0-957.27.2.el7.x86_64.rpm kernel-debug-3.10.0-957.27.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.27.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.27.2.el7.x86_64.rpm kernel-devel-3.10.0-957.27.2.el7.x86_64.rpm kernel-headers-3.10.0-957.27.2.el7.x86_64.rpm kernel-tools-3.10.0-957.27.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.27.2.el7.x86_64.rpm perf-3.10.0-957.27.2.el7.x86_64.rpm perf-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm python-perf-3.10.0-957.27.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: kernel-debug-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.27.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.27.2.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.27.2.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:1873-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1873
Issue date: 2019-07-29

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.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 kernel update privilege escalation bug fix Red Hat Enterprise Linux NFS issue

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1655162 - CVE-2018-16871 kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence

1660375 - CVE-2018-16884 kernel: nfs: use-after-free in svc_process_common()

1709180 - CVE-2019-11811 kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c

1710405 - CVE-2019-11085 kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation

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