Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in kerberos authentication Setting sess->user = NULL was introduced to fix the dangling pointer created by ksmbd_free_user. However, it is possible another thread could be operating on the session and make use of sess->user after it has been passed to ksmbd_free_user but before sess->user is set to NULL.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 6.1.138 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890Patch
- https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90Patch
- https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861Patch
- https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2Patch
- https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124Patch
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2025-37924?
CVE-2025-37924 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in kerberos authentication Setting sess->user = NULL was introduced to fix the dangling pointer created ...
How severe is CVE-2025-37924?
CVE-2025-37924 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-37924?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.