CVE-2026-44710
Medium · 4.6CVSS
4.6
EPSS
0.3%
Published
May 27, 2026
CISA due date
—
The record
pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, src/device.c passed the return values of udisks_drive_get_serial(), udisks_drive_get_vendor(), and udisks_drive_get_model() directly to strcmp() without NULL checks. The GIO/UDisks API documentation states these accessors can return NULL for devices that do not expose the corresponding field. Passing NULL to strcmp() is undefined behaviour (typically a SIGSEGV). This vulnerability is fixed in 0.8.7.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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