What is CVE-2023-23002?

CVE-2023-23002 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2023-23002 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-23002?

CVE-2023-23002 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-23002?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2023-23002 patch availability.

Is CVE-2023-23002 actively exploited?

CVE-2023-23002 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2023-23002

Medium

In the Linux kernel before 5.16.3, drivers/bluetooth/hci_qca.c misinterprets the devm_gpiod_get_index_optional return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

Package Linux Kernel

Published 2023-03-01

Last modified 2025-03-20

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2023-23002 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

2 total

Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3

Mailing List Patch Release Notes
GitHub
https://github.com/torvalds/linux/commit/6845667146a28c09b5dfc401c1ad112374087944

Patch

Details

CVE ID CVE-2023-23002

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2023-03-01

Modified 2025-03-20

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-23002?

CVE-2023-23002 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2023-23002 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-23002?

CVE-2023-23002 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-23002?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2023-23002 patch availability.
Is CVE-2023-23002 actively exploited?

No. CVE-2023-23002 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.