Description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: prevent rename with empty string

Client can send empty newname string to ksmbd server.
It will cause a kernel oops from d_alloc.
This patch return the error when attempting to rename
a file or directory with an empty new name string.

Classification

CVE ID: CVE-2025-37956

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 4.6% (scored less or equal to compared to others)

EPSS Date: 2025-06-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-37956
https://git.kernel.org/stable/c/6ee551672c8cf36108b0cfba92ec0c7c28ac3439
https://git.kernel.org/stable/c/c57301e332cc413fe0a7294a90725f4e21e9549d
https://git.kernel.org/stable/c/d7f2c00acb1ef64304fd40ac507e9213ff1d9b5c
https://git.kernel.org/stable/c/53e3e5babc0963a92d856a5ec0ce92c59f54bc12

Timeline