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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.

9.4
CVSS
0.3%
EPSS (exploit prob.)
18th
EPSS percentile
2025-10-04
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

Weaknesses

CWE-125

Affected products

VendorProductAffected versions
linuxlinux_kernel>= 5.15.1, < 5.15.194
linuxlinux_kernel>= 5.16, < 6.1.154
linuxlinux_kernel>= 6.2, < 6.6.108
linuxlinux_kernel>= 6.7, < 6.12.49
linuxlinux_kernel>= 6.13, < 6.16.9
linuxlinux_kernel5.15
linuxlinux_kernel5.15
linuxlinux_kernel6.17
linuxlinux_kernel6.17
linuxlinux_kernel6.17
linuxlinux_kernel6.17
linuxlinux_kernel6.17
linuxlinux_kernel6.17

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-39943