CVE-2023-23039

2023-03-0214:33:32

redhat.com

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race condition

use-after-free

linux kernel

sun virtual console concentrator

system crash

code execution

physically proximate attacker

vcc device

open()

5.7 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

0.0004 Low

EPSS

Percentile

15.8%

JSON

A race condition leading to a use-after-free vulnerability was found in the Linux kernel’s Sun Virtual Console Concentrator (VCC). This issue can result in a system crash or potential code execution if a physically proximate attacker removes a VCC device while calling open().