VDB-334727 · CVE-2023-53750 · EUVD-2023-60078

Linux Kernel up to 6.3.12/6.4.3 pinctrl num_configs out-of-bounds

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3.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.3.12/6.4.3. This affects the function num_configs of the component pinctrl. The manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2023-53750. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.3.12/6.4.3. It has been rated as problematic. This issue affects the function num_configs of the component pinctrl. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: pinctrl: freescale: Fix a memory out of bounds when num_configs is 1 The config passed in by pad wakeup is 1, when num_configs is 1, Configuration [1] should not be fetched, which will be detected by KASAN as a memory out of bounds condition. Modify to get configs[1] when num_configs is 2.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2023-53750 since 12/08/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 6.3.13 or 6.4.4 eliminates this vulnerability. Applying the patch f85d3cb10f4df5ae3bdb9a9357315c28d781651f/27d9a7585b594bb2f9bb1f65e0003814fcc69c75/9063777ca1e2e895c5fdd493ee0c3f18fa710ed4 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at EUVD (EUVD-2023-60078) and CERT Bund (WID-SEC-2025-2756). Be aware that VulDB is the high quality source for vulnerability data.

Affected

Google Container-Optimized OS
Debian Linux
Amazon Linux 2
Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
NetApp FAS
NetApp AFF
SUSE openSUSE
RESF Rocky Linux
Open Source Linux Kernel
Microsoft Azure Linux

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒