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

CVE-2023-4147

Disclosure Date: August 07, 2023
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

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CVSS V3 Severity and Metrics
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • debian,
  • fedoraproject,
  • linux,
  • redhat

Products

  • debian linux 10.0,
  • debian linux 11.0,
  • debian linux 12.0,
  • enterprise linux 9.0,
  • enterprise linux eus 9.2,
  • enterprise linux for real time 9.0,
  • enterprise linux for real time for nfv 9.0,
  • enterprise linux server aus 9.2,
  • fedora 38,
  • linux kernel,
  • linux kernel 6.5
Technical Analysis