What is CVE-2023-23039?

CVE-2023-23039 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.7 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2023-23039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-23039?

CVE-2023-23039 has a CVSS score of 5.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H.

Is there a patch available for CVE-2023-23039?

No patch is currently available for CVE-2023-23039. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-23039 actively exploited?

CVE-2023-23039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2023-23039

Medium

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().

Package Linux Kernel

Published 2023-02-22

Last modified 2025-03-20

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.7

out of 10

Medium

Attack Vector

Physical

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2023-23039 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-23039 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://lkml.org/lkml/2023/1/1/169
Patch

Details

CVE ID CVE-2023-23039

Severity Medium

CVSS score 5.7 / 10

CVSS version 3.1

Published 2023-02-22

Modified 2025-03-20

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-23039?

CVE-2023-23039 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.7 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2023-23039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-23039?

CVE-2023-23039 has a CVSS score of 5.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H.
Is there a patch available for CVE-2023-23039?

No patch is currently available for CVE-2023-23039. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-23039 actively exploited?

No — CVE-2023-23039 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →