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Red Hat Enterprise Linux 7: RHSA-2018-2748-01 Important Kernel Update

red hat
Calendar Grey September 25, 2018
Scroller Redhat Esm H88
Crucial kernel patch released for Red Hat Enterprise Linux 7, resolving severe buffer overflow vulnerability.
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: Integer overflow in Linux's create_elf_tables function (CVE-2018-14634)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Qualys Research Labs for reporting this issue.
Bug Fix(es):
These updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article:
https://access.redhat.com/articles/3588731

Topics%20covered

Topics Covered

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

References

https://access.redhat.com/security/cve/CVE-2018-14634 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/articles/3588731

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: kernel-3.10.0-862.14.4.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-862.14.4.el7.noarch.rpm kernel-doc-3.10.0-862.14.4.el7.noarch.rpm
x86_64: kernel-3.10.0-862.14.4.el7.x86_64.rpm kernel-debug-3.10.0-862.14.4.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm kernel-debug-devel-3.10.0-862.14.4.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.14.4.el7.x86_64.rpm kernel-devel-3.10.0-862.14.4.el7.x86_64.rpm kernel-headers-3.10.0-862.14.4.el7.x86_64.rpm kernel-tools-3.10.0-862.14.4.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm kernel-tools-libs-3.10.0-862.14.4.el7.x86_64.rpm perf-3.10.0-862.14.4.el7.x86_64.rpm perf-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm python-perf-3.10.0-862.14.4.el7.x86_64.rpm python-perf-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: kernel-debug-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm kernel-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-862.14.4.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-862.14.4.el7.x86_64.rpm perf-debuginfo-3.10.0-862.14.4.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:2748-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2748
Issue date: 2018-09-25

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 bug fix Red Hat Enterprise Linux important integer overflow security impact

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

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - noarch, ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - noarch, ppc64le

Bugs Fixed

1624498 - CVE-2018-14634 kernel: Integer overflow in Linux's create_elf_tables function

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