Skip to content
OpenAdvisories
Low ALSA-2022:2081 1 CVE

Low: bluez security update

Published May 10, 2022 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts (AlmaLinux), and pcmcia configuration files.

Security Fix(es):

* bluez: memory leak in the SDP protocol (CVE-2021-41229)

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 AlmaLinux Release Notes linked from the References section.

Fixed packages 6

ReleasePackageFixed in
AlmaLinux · 8 bluez 5.56-3.el8
AlmaLinux · 8 bluez-cups 5.56-3.el8
AlmaLinux · 8 bluez-hid2hci 5.56-3.el8
AlmaLinux · 8 bluez-libs 5.56-3.el8
AlmaLinux · 8 bluez-libs-devel 5.56-3.el8
AlmaLinux · 8 bluez-obexd 5.56-3.el8

Vulnerabilities 1

  • Medium 4.3
    CVE-2021-41229

    Memory leak in BlueZ

    BlueZ is a Bluetooth protocol stack for Linux. In affected versions a vulnerability exists in sdp_cstate_alloc_buf which allocates memory which will always be hung in the singly linked list of cstates and will not be freed. This will cause a memory leak over …

    BlueZ BlueZ bluez bluez Debian Ubuntu

References

  • report
    https://vulners.com/cve/CVE-2021-41229