RHSA-2019:3187: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.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.Bug Fix(es): Fix possible Spectre-v1 bugs in wireless code (BZ#1706696) powerpc/pseries: Disable CPU hotplug across migrations / powerpc/rtas: Fix a potential race between CPU-Offline & Migration (LPM) (BZ#1745436) powerpc/pseries: Fix unitialized timer reset on migration / powerpc/pseries/mobility: Extend start/stop topology update scope (LPM) (BZ#1745438) ISST-LTE:PVM:Zeppelin :LPM: Failure logs and stack trace seen during LPM (POWER9/P9) (BZ#1745446)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2019:3187?
The vulnerability RHSA-2019:3187 is associated with a medium severity risk due to the potential for Bluetooth encryption key negotiation attacks.
How do I fix RHSA-2019:3187?
To fix RHSA-2019:3187, update the Linux kernel to version 3.10.0-693.60.1.el7 or later.
What systems are affected by RHSA-2019:3187?
RHSA-2019:3187 affects various versions of the Linux kernel across Red Hat Enterprise Linux 7 systems.
What does RHSA-2019:3187 address concerning Bluetooth security?
RHSA-2019:3187 addresses vulnerabilities related to BR/EDR encryption key negotiation attacks (known as KNOB) in Bluetooth communications.
Is there a need for immediate action regarding RHSA-2019:3187?
Yes, immediate action is recommended to mitigate risks posed by the vulnerabilities outlined in RHSA-2019:3187.