Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2023-1295

Disclosure Date: June 28, 2023
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A time-of-check to time-of-use issue exists in io_uring subsystem’s IORING_OP_CLOSE operation in the Linux kernel’s versions 5.6 – 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.

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CVSS V3 Severity and Metrics
Base Score:
7.0 High
Impact Score:
5.9
Exploitability Score:
1
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • linux,
  • netapp

Products

  • h300s -,
  • h410c -,
  • h410s -,
  • h500s -,
  • h700s -,
  • linux kernel
Technical Analysis