VULNERABILITY INTELLIGENCE

CVE-2025-37778

CVSS score9.8 CRITICAL
EPSS probability1.16%
CISA KEVNot currently listed
Published2025-05-01
Last modified2026-10-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix dangling pointer in krb_authenticate krb_authenticate frees sess->user and does not set the pointer to NULL. It calls ksmbd_krb5_authenticate to reinitialise sess->user but that function may return without doing so. If that happens then smb2_sess_setup, which calls krb_authenticate, will be accessing free'd memory when it later uses sess->user.

Weakness classification

  • nvd@nist.gov: CWE-416

Primary references