CVE-2021-3564
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJun 8, 2021
First seenJun 8, 2021
Weakness typeCWE-415CWE-415
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.13 ≤ v | — |
| fedoraproject fedora | 34 | — |
| debian debian_linux | 9.0 | — |
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