CVE-2025-38497
High
Description
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: Fix OOB read on empty string write When writing an empty string to either 'qw_sign' or 'landingPage' sysfs attributes, the store functions attempt to access page[l - 1] before validating that the length 'l' is greater than zero. This patch fixes the vulnerability by adding a check at the beginning of os_desc_qw_sign_store() and webusb_landingPage_store() to handle the zero-length input case gracefully by returning immediately.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedJul 28, 2025
First seenJul 28, 2025
How to fix
Update
- linux linux_kernel5.4.297, 5.10.241, 5.15.190, 6.1.147, 6.6.100, 6.12.40, 6.15.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.16 ≤ v < 5.4.297, 5.5 ≤ v < 5.10.241, 5.11 ≤ v < 5.15.190, 5.16 ≤ v < 6.1.147, 6.2 ≤ v < 6.6.100, 6.7 ≤ v < 6.12.40, 6.13 ≤ v < 6.15.8, 6.16 | 5.4.297, 5.10.241, 5.15.190, 6.1.147, 6.6.100, 6.12.40, 6.15.8 |
| debian debian_linux | 11.0 | — |
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