CVE-2023-23039

Severity CVSS v4.0:

Pending analysis

Type:

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Publication date:

22/02/2023

Last modified:

20/03/2025

Description

An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open(), aka a race condition between vcc_open() and vcc_remove().

Impact

Vector 3.x

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.70 MEDIUM
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector (AV): Physical
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): High

Base Score 3.x

5.70

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		6.2.0 (excluding)
cpe:2.3:o:linux:linux_kernel:6.2.0:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.2.0:rc2::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-23039

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools