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OpenAdvisories
Medium RLSA-2021:1598 1 CVE

Moderate: bluez security update

Published May 18, 2021 · Updated Feb 4, 2026

Summary

The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts (Rocky Enterprise Software Foundation), 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 Rocky Linux 8.4 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 bluez 0:5.52-4.el8

Vulnerabilities 1

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1884817