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Sicherheit: Preisgabe von Informationen in OpenJDK
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in OpenJDK
ID: RHSA-2018:1647-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Di, 22. Mai 2018, 07:03
Referenzen: https://access.redhat.com/security/cve/CVE-2018-3639
https://access.redhat.com/security/vulnerabilities/ssbd
Applikationen: OpenJDK

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: java-1.7.0-openjdk security update
Advisory ID: RHSA-2018:1647-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1647
Issue date: 2018-05-21
CVE Names: CVE-2018-3639
=====================================================================

1. Summary:

An update for java-1.7.0-openjdk is now available for Red Hat Enterprise
Linux 6.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, noarch, x86_64

3. Description:

The java-1.7.0-openjdk packages provide the OpenJDK 7 Java Runtime
Environment and the OpenJDK 7 Java Software Development Kit.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of Load & Store instructions
(a commonly used performance optimization). It relies on the presence of a
precisely-defined instruction sequence in the privileged code as well as
the fact that memory read from address to which a recent memory write has
occurred may see an older value and subsequently cause an update into the
microprocessor's data cache even for speculatively executed instructions
that never actually commit (retire). As a result, an unprivileged attacker
could use this flaw to read privileged memory by conducting targeted cache
side-channel attacks. (CVE-2018-3639)

Note: This is the OpenJDK side of the CVE-2018-3639 mitigation.

Red Hat would like to thank Ken Johnson (Microsoft Security Response
Center) and Jann Horn (Google Project Zero) for reporting this issue.

4. 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

All running instances of OpenJDK Java must be restarted for this update to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1566890 - CVE-2018-3639 hw: cpu: speculative store bypass

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.src.rpm

i386:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.8.el6_9.i686.rpm

x86_64:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-src-1.7.0.181-2.6.14.8.el6_9.i686.rpm

noarch:
java-1.7.0-openjdk-javadoc-1.7.0.181-2.6.14.8.el6_9.noarch.rpm

x86_64:
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-src-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.src.rpm

x86_64:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

noarch:
java-1.7.0-openjdk-javadoc-1.7.0.181-2.6.14.8.el6_9.noarch.rpm

x86_64:
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-src-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.src.rpm

i386:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.8.el6_9.i686.rpm

x86_64:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

i386:
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-src-1.7.0.181-2.6.14.8.el6_9.i686.rpm

noarch:
java-1.7.0-openjdk-javadoc-1.7.0.181-2.6.14.8.el6_9.noarch.rpm

x86_64:
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-src-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.src.rpm

i386:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.8.el6_9.i686.rpm

x86_64:
java-1.7.0-openjdk-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-devel-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

i386:
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.8.el6_9.i686.rpm
java-1.7.0-openjdk-src-1.7.0.181-2.6.14.8.el6_9.i686.rpm

noarch:
java-1.7.0-openjdk-javadoc-1.7.0.181-2.6.14.8.el6_9.noarch.rpm

x86_64:
java-1.7.0-openjdk-debuginfo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-demo-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm
java-1.7.0-openjdk-src-1.7.0.181-2.6.14.8.el6_9.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-3639
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/ssbd

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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