CVE-2025-37994: debian linux Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix NULL pointer access This patch ensures that the UCSI driver waits for all pending tasks in the ucsi_displayport_work workqueue to finish executing before proceeding with the partner removal.

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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	5.2 — 5.4.294
linux	linux_kernel	5.5 — 5.10.238
linux	linux_kernel	5.11 — 5.15.183
linux	linux_kernel	5.16 — 6.1.139
linux	linux_kernel	6.2 — 6.6.91
linux	linux_kernel	6.7 — 6.12.29
linux	linux_kernel	6.13 — 6.14.7
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
debian	debian_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/076ab0631ed4928905736f1701e25f1e722bc086 https://git.kernel.org/stable/c/14f298c52188c34acde9760bf5abc669c5c36fdb https://git.kernel.org/stable/c/312d79669e71283d05c05cc49a1a31e59e3d9e0e https://git.kernel.org/stable/c/5ad298d6d4aebe1229adba6427e417e89a5208d8 https://git.kernel.org/stable/c/7804c4d63edfdd5105926cc291e806e8f4ce01b5 https://git.kernel.org/stable/c/9dda1e2a666a8a32ce0f153b5dee05c7351f1020 https://git.kernel.org/stable/c/a9931f1b52b2d0bf3952e003fd5901ea7eb851ed https://git.kernel.org/stable/c/e9b63faf5c97deb43fc39a52edbc39d626cc14bf

Other References

https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html

Frequently Asked Questions

What is CVE-2025-37994? +

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix NULL pointer access This patch ensures that the UCSI driver waits for all pending tasks in the ucsi_displayport_work workqueue to finish executing before proceeding with the partner removal. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-37994? +

CVE-2025-37994 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-2025-37994? +

CVE-2025-37994 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-2025-37994? +

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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