CVE-2021-3752

 

Published at: - 16-02-2022 08:15

Last modified: - 26-10-2022 01:44

Total changes: - 8

Description

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://lore.kernel.org/lkml/20211115165435.133245729@linuxfoundation.org/
• https://www.openwall.com/lists/oss-security/2021/09/15/4
• https://bugzilla.redhat.com/show_bug.cgi?id=1999544
• [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update-Mailing List, Third Party Advisory
• [debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update-Mailing List, Third Party Advisory
• DSA-5096-Third Party Advisory
• https://security.netapp.com/advisory/ntap-20220318-0009/
• N/A-

 

Keywords

NVD

 

CVE-2021-3752

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures