ALSA-2021:1598

    Dashboard / Vulnerabilities / ALSA-2021:1598

    ALSA-2021:1598

    Published: 18 May 2021Last Modified: 4 Feb 2026

    Summary: Moderate: bluez security update

    Details: 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: 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 AlmaLinux Release Notes linked from the References section.

    References: https://vulners.com/cve/CVE-2020-27153

    Affected packages

    Package

    Name: bluez-libs-devel

    Purl: pkg:rpm/almalinux/bluez-libs-devel

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.52-4.el8.alma

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    ALSA-2021:1598 | CVE-DB