ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.4epss 0.3%
exploitation probability
0.3%top 82% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67chttps://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bchttps://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70