CVE-2025-38077: debian linux Memory Corruption — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-wmi-sysman: Avoid buffer overflow in current_password_store() If the 'buf' array received from the user contains an empty string, the 'length' variable will be zero. Accessing the 'buf' array element with index 'length - 1' will result in a buffer overflow. Add a check for an empty string. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.11 — 5.15.185
linux	linux_kernel	5.16 — 6.1.141
linux	linux_kernel	6.2 — 6.6.93
linux	linux_kernel	6.7 — 6.12.31
linux	linux_kernel	6.13 — 6.14.9
linux	linux_kernel	All
linux	linux_kernel	All
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/4e89a4077490f52cde652d17e32519b666abf3a6 https://git.kernel.org/stable/c/60bd13f8c4b3de2c910ae1cdbef85b9bbc9685f5 https://git.kernel.org/stable/c/8594a123cfa23d708582dc6fb36da34479ef8a5b https://git.kernel.org/stable/c/97066373ffd55bd9af0b512ff3dd1f647620a3dc https://git.kernel.org/stable/c/f86465626917df3b8bdd2756ec0cc9d179c5af0f https://git.kernel.org/stable/c/fb7cde625872709b8cedad9b241e0ec3d82fa7d3

Other References

https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

Frequently Asked Questions

What is CVE-2025-38077? +

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-wmi-sysman: Avoid buffer overflow in current_password_store() If the 'buf' array received from the user contains an empty string, the 'length' variable will be zero. Accessing the 'buf' array element with index 'length - 1' will result in a buffer overflow. Add a check for an empty string. Found by Linux Verification Center (linuxtesting.org) with SVACE. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-38077? +

CVE-2025-38077 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-38077? +

CVE-2025-38077 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-2025-38077? +

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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