CVEvulnerability
CVE-2021-3564
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-06-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-415
Description
A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.
Affected configurations
• linux linux kernel (>= 3.13)
• fedoraproject fedora 34
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- http://www.openwall.com/lists/oss-security/2021/05/25/1 Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/01/2 Exploit, Mailing List
- https://bugzilla.redhat.com/show_bug.cgi?id=1964139 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/05/25/1 Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/25/1 Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/01/2 Exploit, Mailing List
- https://bugzilla.redhat.com/show_bug.cgi?id=1964139 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/05/25/1 Exploit, Mailing List, Third Party Advisory