RHSA-2021:1598: Red Hat Security Advisory: bluez security update

An update for bluez is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts (Red Hat), and pcmcia configuration files. Security Fix(es):

• bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE (CVE-2020-27153) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section. Related CVEs:
• CVE-2020-27153: bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE