CVEvulnerability
CVE-2020-27153
8.6 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-10-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-415
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.
Affected configurations
• bluez bluez (< 5.55)
• debian debian linux 9.0
• debian debian linux 10.0
• opensuse leap 15.1
• opensuse leap 15.2
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1884817 Issue Tracking, Third Party Advisory
- https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a Patch, Third Party Advisory
- https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202011-01 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4951 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1884817 Issue Tracking, Third Party Advisory
- https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a Patch, Third Party Advisory
- https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202011-01 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4951 Third Party Advisory