{"id":"RLSA-2021:1598","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 (Rocky Enterprise Software Foundation), and pcmcia configuration files. \n\nSecurity Fix(es):\n\n* bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE (CVE-2020-27153)\n\nFor 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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.4 Release Notes linked from the References section.","modified":"2026-03-11T05:58:42.023004Z","published":"2021-05-18T05:37:07Z","upstream":["CVE-2020-27153"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:1598"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1884817"}],"affected":[{"package":{"name":"bluez","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/bluez?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:5.52-4.el8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:1598.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}