CVE-2020-27153
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 4.2%
exploitation probability
4.2%top 10% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products
n/a · n/aReferences
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1884817https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721ahttps://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07https://lists.debian.org/debian-lts-announce/2020/10/msg00022.htmlhttps://security.gentoo.org/glsa/202011-01https://www.debian.org/security/2021/dsa-4951