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Red Hat Enterprise Linux 7: RHSA-2019-0162-01 Kernel-Alt Security Update

red hat
Calendar Grey January 29, 2019
Dist Redhat Esm H88
Red Hat publishes security notice for kernel-alt, tackling moderate vulnerabilities and addressing bugs. Key update specifics.
An update for kernel-alt 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-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: Heap-based buffer overflow in fs/ext4/xattr.c:ext4_xattr_set_entry() with crafted ext4 image (CVE-2018-10840)
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.
Bug Fix(es):
These updated kernel-alt packages include also numerous bug fixes and 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/3824202

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux moderate impact heap buffer overflow enhancement update kernel-alt

References

https://access.redhat.com/security/cve/CVE-2018-10840 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: kernel-alt-4.14.0-115.5.1.el7a.src.rpm
aarch64: kernel-4.14.0-115.5.1.el7a.aarch64.rpm kernel-debug-4.14.0-115.5.1.el7a.aarch64.rpm kernel-debug-debuginfo-4.14.0-115.5.1.el7a.aarch64.rpm kernel-debug-devel-4.14.0-115.5.1.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.5.1.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.5.1.el7a.aarch64.rpm kernel-devel-4.14.0-115.5.1.el7a.aarch64.rpm kernel-headers-4.14.0-115.5.1.el7a.aarch64.rpm kernel-tools-4.14.0-115.5.1.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.5.1.el7a.aarch64.rpm kernel-tools-libs-4.14.0-115.5.1.el7a.aarch64.rpm perf-4.14.0-115.5.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.5.1.el7a.aarch64.rpm python-perf-4.14.0-115.5.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.5.1.el7a.aarch64.rpm
noarch: kernel-abi-whitelists-4.14.0-115.5.1.el7a.noarch.rpm kernel-doc-4.14.0-115.5.1.el7a.noarch.rpm
ppc64le: kernel-4.14.0-115.5.1.el7a.ppc64le.rpm kernel-bootwrapper-4.14.0-115.5.1.el7a.ppc64le.rpm kernel-debug-4.14.0-115.5.1.el7a.ppc64le.rpm kernel-debug-debuginfo-4.14.0-115.5.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.5.1.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.5.1.el7a.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2019:0162-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0162
Issue date: 2019-01-29

Topic

An update for kernel-alt is now available for Red Hat Enterprise Linux 7.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 bug fix Red Hat Enterprise Linux moderate impact heap buffer overflow enhancement update kernel-alt

Relevant Releases Architectures

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le

Bugs Fixed

1582346 - CVE-2018-10840 kernel: Heap-based buffer overflow in fs/ext4/xattr.c:ext4_xattr_set_entry() with crafted ext4 image

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