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.

CVSS v3.1

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

2.1 LOWAV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS

0.48% chance of exploitation in the next 30 days, 40th percentile

Published

2021-06-08

Updated

2024-08-03

Proof-of-concept exploits (2)

• http://www.openwall.com/lists/oss-security/2021/05/25/1
• https://www.openwall.com/lists/oss-security/2021/05/25/1

References

• CVE Record
• NVD entry

Related

• CVE-2021-35616
• CVE-2021-3572
• CVE-2021-3561
• CVE-2021-3573
• CVE-2021-3560
• CVE-2021-3574