UBUNTU-CVE-2021-3564
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.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
2 explicit affected versions
6 explicit affected versions
57 explicit affected versions
3 explicit affected versions
191 explicit affected versions
68 explicit affected versions
29 explicit affected versions
48 explicit affected versions
21 explicit affected versions
79 explicit affected versions
3 explicit affected versions
23 explicit affected versions
69 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
2 explicit affected versions
1 explicit affected versions
31 explicit affected versions
39 explicit affected versions
2 explicit affected versions
31 explicit affected versions
23 explicit affected versions
10 explicit affected versions
135 explicit affected versions
16 explicit affected versions
68 explicit affected versions
46 explicit affected versions
1 explicit affected versions
16 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
62 explicit affected versions
1 explicit affected versions
34 explicit affected versions
33 explicit affected versions
10 explicit affected versions
47 explicit affected versions
11 explicit affected versions
3 explicit affected versions
70 explicit affected versions
3 explicit affected versions
32 explicit affected versions
2 explicit affected versions
66 explicit affected versions
27 explicit affected versions
1 explicit affected versions
11 explicit affected versions
24 explicit affected versions
1 explicit affected versions
1 explicit affected versions
28 explicit affected versions
4 explicit affected versions
21 explicit affected versions
1 explicit affected versions
22 explicit affected versions
2 explicit affected versions
1 explicit affected versions
24 explicit affected versions
10 explicit affected versions
20 explicit affected versions
44 explicit affected versions
16 explicit affected versions
1 explicit affected versions
16 explicit affected versions
38 explicit affected versions
9 explicit affected versions
112 explicit affected versions
22 explicit affected versions
47 explicit affected versions
5 explicit affected versions
78 explicit affected versions
55 explicit affected versions
3 explicit affected versions
13 explicit affected versions
46 explicit affected versions
21 explicit affected versions
43 explicit affected versions
1 explicit affected versions
90 explicit affected versions
94 explicit affected versions
12 explicit affected versions
24 explicit affected versions
4 explicit affected versions
11 explicit affected versions
1 explicit affected versions
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://lore.kernel.org/linux-bluetooth/[email protected]/
- https://ubuntu.com/security/CVE-2021-3564
- https://ubuntu.com/security/notices/USN-5015-1
- https://ubuntu.com/security/notices/USN-5044-1
- https://ubuntu.com/security/notices/USN-5045-1
- https://ubuntu.com/security/notices/USN-5046-1
- https://ubuntu.com/security/notices/USN-5050-1
- https://ubuntu.com/security/notices/USN-5299-1
- https://ubuntu.com/security/notices/USN-5343-1
- https://www.cve.org/CVERecord?id=CVE-2021-3564
- https://www.openwall.com/lists/oss-security/2021/05/25/1