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Red Hat Enterprise Linux 7: RHSA-2019-1350-01 Low: Kernel-Alt Bug Fix

red hat
Calendar Grey June 4, 2019
Dist Redhat Esm H88
Minor safety enhancement for kernel-alt in RHEL 7 to resolve vulnerabilities and glitches impacting system performance.
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: NULL pointer dereference in fs/xfs/libxfs/xfs_inode_buf.c (CVE-2018-13095)
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-alt] Could not remove the function from /sys/kernel/debug/tracing/kprobe_events (BZ#1677171)
* RHEL-ALT-7.6z: usage of stale vma in do_fault() can lead to a crash (BZ#1679243)
* RHEL-Alt-7.6 - Backport support for software count cache flush Spectre v2 mitigation (BZ#1692682)
* RHEL-Alt-7.6 - [LTC Test][SR-IOV]: Guest with VF pass-through crashes during reboot operation in a loop. (kvm) (libvirt/kernel) (BZ#1693146)
* RHEL-Alt-7.6 - Tolerate new s390x crypto hardware for migration (BZ#1695643)

Topics%20covered

Topics Covered

security advisory security issue bug fix red hat enterprise low linux kernel kernel-alt

References

https://access.redhat.com/security/cve/CVE-2018-13095 https://access.redhat.com/security/updates/classification/#low

Package List

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: kernel-alt-4.14.0-115.8.1.el7a.src.rpm
aarch64: kernel-4.14.0-115.8.1.el7a.aarch64.rpm kernel-debug-4.14.0-115.8.1.el7a.aarch64.rpm kernel-debug-debuginfo-4.14.0-115.8.1.el7a.aarch64.rpm kernel-debug-devel-4.14.0-115.8.1.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.8.1.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.8.1.el7a.aarch64.rpm kernel-devel-4.14.0-115.8.1.el7a.aarch64.rpm kernel-headers-4.14.0-115.8.1.el7a.aarch64.rpm kernel-tools-4.14.0-115.8.1.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.8.1.el7a.aarch64.rpm kernel-tools-libs-4.14.0-115.8.1.el7a.aarch64.rpm perf-4.14.0-115.8.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.8.1.el7a.aarch64.rpm python-perf-4.14.0-115.8.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.8.1.el7a.aarch64.rpm
noarch: kernel-abi-whitelists-4.14.0-115.8.1.el7a.noarch.rpm kernel-doc-4.14.0-115.8.1.el7a.noarch.rpm
ppc64le: kernel-4.14.0-115.8.1.el7a.ppc64le.rpm kernel-bootwrapper-4.14.0-115.8.1.el7a.ppc64le.rpm kernel-debug-4.14.0-115.8.1.el7a.ppc64le.rpm kernel-debug-debuginfo-4.14.0-115.8.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.8.1.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.8.1.el7a.ppc64le.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:1350-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1350
Issue date: 2019-06-04

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 Low. 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 security issue bug fix red hat enterprise low linux kernel 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

1597775 - CVE-2018-13095 kernel: NULL pointer dereference in fs/xfs/libxfs/xfs_inode_buf.c

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