CVE-2021-32399

HIGH

Linux Kernel < 5.12.2 - Race Condition in HCI Controller Removal

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-32399. PoCs published by nanopathi.

AI-analyzed exploit summary The repository contains only documentation files and build scripts from a Linux kernel tree, with no actual exploit code or technical analysis related to CVE-2021-32399. The files are part of the kernel's documentation infrastructure and do not demonstrate or explain the vulnerability.

Description

net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

Exploits (1)

nomisec STUB
by nanopathi · poc
https://github.com/nanopathi/linux-4.19.72_CVE-2021-32399

The repository contains only documentation files and build scripts from a Linux kernel tree, with no actual exploit code or technical analysis related to CVE-2021-32399. The files are part of the kernel's documentation infrastructure and do not demonstrate or explain the vulnerability.

Classification
Stub 90%
Attack Type
Other
Complexity
N/a
Reliability
N/a
Target: Linux kernel (version unspecified)
No auth needed
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (6)

Core 6
Core References
Exploit, Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/05/11/2
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210622-0006/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html

Scores

CVSS v3 7.0
EPSS 0.0070
EPSS Percentile 48.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-362
Status published
Products (11)
debian/debian_linux 9.0
linux/linux_kernel < 5.12.2
netapp/cloud_backup
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410s_firmware
netapp/h500e_firmware
netapp/h500s_firmware
netapp/h700e_firmware
netapp/h700s_firmware
... and 1 more
Published May 10, 2021
Tracked Since Feb 18, 2026