CVE-2021-32399

Public Exploit

Description

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

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/e2cb6b891ad2b8caa9131e3be70f45243df82a80 third party advisory patch
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e2cb6b891ad2b8caa9131e3be70f45243df82a80 mailing list patch vendor advisory
http://www.openwall.com/lists/oss-security/2021/05/11/2 mailing list patch exploit third party advisory
https://security.netapp.com/advisory/ntap-20210622-0006/ third party advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-32399?
CVE-2021-32399 has been scored as a high severity vulnerability.
How to fix CVE-2021-32399?
To fix CVE-2021-32399, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32399 being actively exploited in the wild?
It is possible that CVE-2021-32399 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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