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RedHat: RHSA-2019-2808-01 Critical: Page Cache Side Channel Attack

red hat
Calendar Grey September 19, 2019
Dist Redhat Esm H88
A critical kernel security patch has been released for Red Hat Enterprise Linux 5 ELS addressing vulnerabilities associated with page cache side-channel exploits.
An update for kernel is now available for Red Hat Enterprise Linux 5 Extended Lifecycle Support

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: page cache side channel attacks (CVE-2019-5489)
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.

Topics%20covered

Topics Covered

security advisory Red Hat security fix important kernel CVE-2019-5489 page cache

References

https://access.redhat.com/security/cve/CVE-2019-5489 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server (v. 5 ELS):
Source: kernel-2.6.18-439.el5.src.rpm
i386: kernel-2.6.18-439.el5.i686.rpm kernel-PAE-2.6.18-439.el5.i686.rpm kernel-PAE-debuginfo-2.6.18-439.el5.i686.rpm kernel-PAE-devel-2.6.18-439.el5.i686.rpm kernel-debug-2.6.18-439.el5.i686.rpm kernel-debug-debuginfo-2.6.18-439.el5.i686.rpm kernel-debug-devel-2.6.18-439.el5.i686.rpm kernel-debuginfo-2.6.18-439.el5.i686.rpm kernel-debuginfo-common-2.6.18-439.el5.i686.rpm kernel-devel-2.6.18-439.el5.i686.rpm kernel-headers-2.6.18-439.el5.i386.rpm kernel-xen-2.6.18-439.el5.i686.rpm kernel-xen-debuginfo-2.6.18-439.el5.i686.rpm kernel-xen-devel-2.6.18-439.el5.i686.rpm
noarch: kernel-doc-2.6.18-439.el5.noarch.rpm
s390x: kernel-2.6.18-439.el5.s390x.rpm kernel-debug-2.6.18-439.el5.s390x.rpm kernel-debug-debuginfo-2.6.18-439.el5.s390x.rpm kernel-debug-devel-2.6.18-439.el5.s390x.rpm kernel-debuginfo-2.6.18-439.el5.s390x.rpm kernel-debuginfo-common-2.6.18-439.el5.s390x.rpm kernel-devel-2.6.18-439.el5.s390x.rpm kernel-headers-2.6.18-439.el5.s390x.rpm kernel-kdump-2.6.18-439.el5.s390x.rpm kernel-kdump-debuginfo-2.6.18-439.el5.s390x.rpm kernel-kdump-devel-2.6.18-439.el5.s390x.rpm
x86_64: kernel-2.6.18-439.el5.x86_64.rpm kernel-debug-2.6.18-439.el5.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2808-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2808
Issue date: 2019-09-17

Topic

An update for kernel is now available for Red Hat Enterprise Linux 5Extended Lifecycle Support.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 Red Hat security fix important kernel CVE-2019-5489 page cache

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 5 ELS) - i386, noarch, s390x, x86_64

Bugs Fixed

1664110 - CVE-2019-5489 Kernel: page cache side channel attacks

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