What’s Vulnerable › Vulnerabilities

CVE-2021-32399

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-10 · updated 2026-06-17
• Weakness: CWE-362

Description

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

Affected products

• Debian Linux: 9.0
• Linux kernel: through 5.12.2
• NetApp Cloud Backup: all versions
• NetApp H300E Firmware: all versions
• NetApp H300S Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500E Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700E Firmware: all versions
• NetApp H700S Firmware: all versions
• NetApp Solidfire Baseboard Management Controller Firmware: all versions

References

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

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