Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-4083

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.

  • Published: Jan 18, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-4083
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7
  • AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.9
  • AV:L/AC:M/Au:N/C:C/I:C/A:C