Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-3752

A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Published

2022-02-16T19:15:08.587

Last Modified

2024-11-21T06:22:20.397

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.1 (HIGH)

CVSSv2 Vector

AV:A/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

5.5

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-416
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 4.4.293 Yes
Operating System linux linux_kernel < 4.9.291 Yes
Operating System linux linux_kernel < 4.14.256 Yes
Operating System linux linux_kernel < 4.19.218 Yes
Operating System linux linux_kernel < 5.4.160 Yes
Operating System linux linux_kernel < 5.10.80 Yes
Operating System linux linux_kernel < 5.14.19 Yes
Operating System linux linux_kernel < 5.15.3 Yes
Application redhat 3scale 2.0 Yes
Application redhat virtualization_host 4.0 Yes
Operating System fedoraproject fedora 34 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux_for_real_time 7 Yes
Operating System redhat enterprise_linux_for_real_time_for_nfv 7 Yes
Operating System netapp h300s_firmware - Yes
Hardware netapp h300s - No
Operating System netapp h500s_firmware - Yes
Hardware netapp h500s - No
Operating System netapp h700s_firmware - Yes
Hardware netapp h700s - No
Operating System netapp h300e_firmware - Yes
Hardware netapp h300e - No
Operating System netapp h500e_firmware - Yes
Hardware netapp h500e - No
Operating System netapp h700e_firmware - Yes
Hardware netapp h700e - No
Operating System netapp h410s_firmware - Yes
Hardware netapp h410s - No
Operating System netapp h410c_firmware - Yes
Hardware netapp h410c - No
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Application oracle communications_cloud_native_core_binding_support_function 22.1.3 Yes
Application oracle communications_cloud_native_core_network_exposure_function 22.1.1 Yes
Application oracle communications_cloud_native_core_policy 22.2.0 Yes
References