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Critical Update for Red Hat Enterprise Linux 7.6: kpatch Bluetooth Risk

red hat
Calendar Grey October 29, 2019
Dist Redhat Esm H88
Oracle's mainline kernel upgrade marked critical mitigates side-channel vulnerabilities in Solaris OS.
An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact ...

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
Security Fix(es):
* hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)
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 security issue encryption Red Hat Enterprise Linux important update bluetooth kpatch-patch

References

https://access.redhat.com/security/cve/CVE-2019-9506 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: kpatch-patch-3_10_0-957_35_1-1-2.el7.src.rpm kpatch-patch-3_10_0-957_35_2-1-1.el7.src.rpm
ppc64le: kpatch-patch-3_10_0-957_35_1-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-957_35_1-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-957_35_2-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_35_2-debuginfo-1-1.el7.ppc64le.rpm
x86_64: kpatch-patch-3_10_0-957_35_1-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-957_35_1-debuginfo-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-957_35_2-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_35_2-debuginfo-1-1.el7.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3231-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3231
Issue date: 2019-10-29

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.

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.

Topics%20covered

Topics Covered

security advisory security issue encryption Red Hat Enterprise Linux important update bluetooth kpatch-patch

Relevant Releases Architectures

Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64le, x86_64

Bugs Fixed

1727857 - CVE-2019-9506 hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)

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