Vulnerability in Mcdope Pam_usb
CVE-2026-48986
pam_usb provides hardware authentication for Linux using removable media. In pam_usb 0.9.1 and earlier, usb_get_process_parent_id() can cause an infinite loop DoS because it does not initialize *ppid on failure. In pusb_local_login(), the…
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mcdope Pam_usb — versions < 0.9.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-48986?
- CVE-2026-48986 is a medium-severity vulnerability in Mcdope Pam_usb, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 4.7/10. Published 2026-06-18.
- How severe is CVE-2026-48986?
- Medium severity. CVSS v3 base score is 4.7 out of 10.