CVE-2025-37881: debian linux Null Dereference — Fix

Description

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

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.18 — 5.4.293
linux	linux_kernel	5.5 — 5.10.237
linux	linux_kernel	5.11 — 5.15.181
linux	linux_kernel	5.16 — 6.1.136
linux	linux_kernel	6.2 — 6.6.89
linux	linux_kernel	6.7 — 6.12.26
linux	linux_kernel	6.13 — 6.14.5
debian	debian_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/052fb65335befeae8500e88d69ea022266baaf6d https://git.kernel.org/stable/c/36d68151712e525450f0fbb3045e7110f0d9b610 https://git.kernel.org/stable/c/61006ca381b4d65d2b8ca695ea8da1ce18d6dee3 https://git.kernel.org/stable/c/8c75f3e6a433d92084ad4e78b029ae680865420f https://git.kernel.org/stable/c/a777ccfb9ba8d43f745e41b69ba39d4a506a081e https://git.kernel.org/stable/c/c8d4faf452a627f9b09c3a5c366133a19e5b7a28 https://git.kernel.org/stable/c/cfa7984f69359761b07a7831c1258c0fde1e0389 https://git.kernel.org/stable/c/d26a6093d52904cacdbb75424c323c19b443a890

Other References

https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Frequently Asked Questions

What is CVE-2025-37881? +

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 It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-37881? +

CVE-2025-37881 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-37881? +

CVE-2025-37881 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-37881? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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