CVE-2023-3865
High
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bound read in smb2_write ksmbd_smb2_check_message doesn't validate hdr->NextCommand. If ->NextCommand is bigger than Offset + Length of smb2 write, It will allow oversized smb2 write length. It will cause OOB read in smb2_write.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Linux Kernel
PublishedAug 16, 2025
First seenAug 16, 2025
How to fix
Update
- linux linux_kernel5.15.121, 6.1.36, 6.3.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.15 ≤ v < 5.15.121, 5.16 ≤ v < 6.1.36, 6.2 ≤ v < 6.3.10, 6.4 | 5.15.121, 6.1.36, 6.3.10 |
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