CVE-2021-32399

Advisory lineage Upstream: 0 Downstream: 62
Modified
Published: 10 May 2021, 21:19
Last modified:03 Aug 2024, 23:17

Vulnerability Summary

Overall Risk (default)
medium
38/100
CVSS Score
7 HIGH
v3.1 (nvd)
EPSS Score
0.06% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

10 May 2021, 21:19
Published
Vulnerability first disclosed
03 Aug 2024, 23:17
Last Modified
Vulnerability information updated

Description

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

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.06%• Percentile: 20%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • debian•debian_linux

    9.0

  • linux•linux_kernel

    ≤ 5.12.2

  • netapp•cloud_backup

    na

  • netapp•h300e

    na

  • netapp•h300s_firmware

    na

  • netapp•h410s_firmware

    na

  • netapp•h500e

    na

  • netapp•h500s_firmware

    na

  • netapp•h700e

    na

  • netapp•h700s_firmware

    na

  • netapp•solidfire_baseboard_management_controller_firmware

    na

References (6)