Linux Kernel up to 5.16.2 hci_qca.c qca_serdev_probe devm_gpiod_get_index_optional return value

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.16.2. It has been rated as problematic. Impacted is the function qca_serdev_probe of the file drivers/bluetooth/hci_qca.c. Performing a manipulation of the argument devm_gpiod_get_index_optional results in return value. This vulnerability is reported as CVE-2023-23002. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.16.2 (Operating System). It has been classified as problematic. This affects the function qca_serdev_probe of the file drivers/bluetooth/hci_qca.c. The manipulation of the argument devm_gpiod_get_index_optional with an unknown input leads to a return value vulnerability. CWE is classifying the issue as CWE-252. The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. The impact remains unknown. The summary by CVE is:

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).

The weakness was disclosed 03/01/2023 as 6845667146a28c09b5dfc401c1ad112374087944. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-23002 since 01/11/2023. Technical details are known, but no exploit is available.

Upgrading to version 5.16.3 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying the patch 6845667146a28c09b5dfc401c1ad112374087944 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27102). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Return value
CWE: CWE-252 / CWE-253
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.16.3
Patch: 6845667146a28c09b5dfc401c1ad112374087944

Timelineinfo

01/11/2023 🔍
03/01/2023 +49 days 🔍
03/01/2023 +0 days 🔍
10/06/2025 +950 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 6845667146a28c09b5dfc401c1ad112374087944
Status: Confirmed

CVE: CVE-2023-23002 (🔍)
GCVE (CVE): GCVE-0-2023-23002
GCVE (VulDB): GCVE-100-222117
EUVD: 🔍

Entryinfo

Created: 03/01/2023 21:54
Updated: 10/06/2025 04:09
Changes: 03/01/2023 21:54 (46), 03/30/2023 08:48 (10), 10/06/2025 04:09 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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