IT

Tracker / CVE-2025-39943

CVE-2025-39943

Critical 9.4

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer If data_offset and data_length of smb_direct_data_transfer struct are invalid, out of bounds issue could happen. This patch validate data_offset and data_length field in recv_done.

Affected products and versions

linux linux_kernel
linux linux_kernel · 5.15.1 → 5.15.194
linux linux_kernel · 5.16 → 6.1.154
linux linux_kernel · 6.13 → 6.16.9
linux linux_kernel · 6.2 → 6.6.108
linux linux_kernel · 6.7 → 6.12.49

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References