High severity8.6NVD Advisory· Published Oct 15, 2020· Updated Apr 15, 2026

CVE-2020-27153

Description

In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Bluez/Bluez2 versions
cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:*range: <5.55
- (no CPE)range: <5.55
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
OpenSUSE/Leap2 versions
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
osv-coords9 versions
pkg:rpm/almalinux/bluez-libs-devel pkg:rpm/opensuse/bluez&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/bluez&distro=openSUSE%20Leap%2015.2 pkg:rpm/suse/bluez&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/bluez&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/bluez&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1 pkg:rpm/suse/bluez&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2 pkg:rpm/suse/bluez&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1 pkg:rpm/suse/bluez&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2
< 5.52-4.el8.alma+ 8 more
- (no CPE)range: < 5.52-4.el8.alma
- (no CPE)range: < 5.48-lp151.8.15.1
- (no CPE)range: < 5.48-lp152.12.6.1
- (no CPE)range: < 5.48-5.28.1
- (no CPE)range: < 5.48-13.3.1
- (no CPE)range: < 5.48-5.28.1
- (no CPE)range: < 5.48-13.3.1
- (no CPE)range: < 5.48-5.28.1
- (no CPE)range: < 5.48-13.3.1

Patches

Vulnerability mechanics

References

github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721anvdPatchThird Party Advisory
github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07nvdPatchThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.htmlnvdMailing ListThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.htmlnvdMailing ListThird Party Advisory
bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
lists.debian.org/debian-lts-announce/2020/10/msg00022.htmlnvdMailing ListThird Party Advisory
security.gentoo.org/glsa/202011-01nvdThird Party Advisory
www.debian.org/security/2021/dsa-4951nvdThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.559
epss	0.003
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000