CVE-2025-38497 - Linux Kernel USB Gadget configfs Out-of-Bounds Read

CVE-2025-38497 - Linux Kernel USB Gadget configfs Out-of-Bounds Read

https://cvefeed.io/rssfeed/latest.atom / Mon, 07/28/2025 - 17:32
CVE ID : CVE-2025-38497
Published : July 28, 2025, 12:15 p.m. | 1 hour, 59 minutes ago
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.
Severity: 0.0 | NA
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