Threats Tagged 'cve-2026-48983'
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Threats Tagged 'cve-2026-48983'
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CVE-2026-48983: CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition in mcdope pam_usbCVE-2026-48983 0 pam_usb provides hardware authentication for Linux using ordinary removable media. In versions prior to 0.9.2, a symlink race condition exists in per-device and per-user pad directory creation. pam_usb uses a check-then-act pattern: it calls lstat() to test for existence and then calls mkdir() separately to create the directory. A local attacker can win the race between these calls by replacing the target path with a symlink to a directory they control. If successful, one-time pad files may be written to an attacker-controlled location, potentially exposing future pad values before use or disrupting authentication. This issue has been fixed in version 0.9.2. Join the discussion | CVE Database V5 | 06/18/2026, 19:07:56 UTC Added: 06/18/2026, 19:51:23 UTC |
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