CVEvulnerability

CVE-2020-36557

5.1 MEDIUM Published 2022-07-21 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-07-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.1 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-362, CWE-416

Description

A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.

Affected configurations

• linux linux kernel (< 5.6.2)

Related

Weakness · CWE (2)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
  • CWE-416 Use After Free weakness

References