Linux Kernel up to 6.14.4 usb ice_ptp.c ast_vhub_init_dev null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Linux Kernel up to 6.14.4. Affected is the function ast_vhub_init_dev of the file ice_ptp.c of the component usb. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2025-37881. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.14.4. This issue affects the function ast_vhub_init_dev of the file ice_ptp.c of the component usb. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: aspeed: Add NULL pointer check in ast_vhub_init_dev() The variable d->name, returned by devm_kasprintf(), could be NULL. A pointer check is added to prevent potential NULL pointer dereference. This is similar to the fix in commit 3027e7b15b02 ("ice: Fix some null pointer dereference issues in ice_ptp.c"). This issue is found by our static analysis tool

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2025-37881 since 04/16/2025. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 237255 (Debian dla-4178 : ata-modules-5.10.0-34-armmp-di - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.4.293, 5.10.237, 5.15.181, 6.1.136, 6.6.89, 6.12.26, 6.14.5 or 6.15-rc1 eliminates this vulnerability. Applying the patch a777ccfb9ba8d43f745e41b69ba39d4a506a081e/c8d4faf452a627f9b09c3a5c366133a19e5b7a28/d26a6093d52904cacdbb75424c323c19b443a890/36d68151712e525450f0fbb3045e7110f0d9b610/cfa7984f69359761b07a7831c1258c0fde1e0389/052fb65335befeae8500e88d69ea022266baaf6d/61006ca381b4d65d2b8ca695ea8da1ce18d6dee3/8c75f3e6a433d92084ad4e78b029ae680865420f 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 Tenable (237255), EUVD (EUVD-2025-14109) and CERT Bund (WID-SEC-2025-0991). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Dell Avamar
  • Open Source Linux Kernel
  • Dell NetWorker
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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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Nessus ID: 237255
Nessus Name: Debian dla-4178 : ata-modules-5.10.0-34-armmp-di - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.4.293/5.10.237/5.15.181/6.1.136/6.6.89/6.12.26/6.14.5/6.15-rc1
Patch: a777ccfb9ba8d43f745e41b69ba39d4a506a081e/c8d4faf452a627f9b09c3a5c366133a19e5b7a28/d26a6093d52904cacdbb75424c323c19b443a890/36d68151712e525450f0fbb3045e7110f0d9b610/cfa7984f69359761b07a7831c1258c0fde1e0389/052fb65335befeae8500e88d69ea022266baaf6d/61006ca381b4d65d2b8ca695ea8da1ce18d6dee3/8c75f3e6a433d92084ad4e78b029ae680865420f

Timelineinfo

04/16/2025 🔍
05/09/2025 +23 days 🔍
05/09/2025 +0 days 🔍
01/31/2026 +267 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-37881 (🔍)
GCVE (CVE): GCVE-0-2025-37881
GCVE (VulDB): GCVE-100-308153
EUVD: 🔍
CERT Bund: WID-SEC-2025-0991 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 05/09/2025 09:09
Updated: 01/31/2026 04:01
Changes: 05/09/2025 09:09 (60), 05/27/2025 07:04 (2), 06/19/2025 17:02 (1), 11/13/2025 03:34 (11), 01/31/2026 04:01 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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