Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.121 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/3813eee5154d6a4c5875cb4444cb2b63bac8947fPatch
- https://git.kernel.org/stable/c/58a9c41064df27632e780c5a3ae3e0e4284957d1Patch
- https://git.kernel.org/stable/c/5fe7f7b78290638806211046a99f031ff26164e1Patch
- https://git.kernel.org/stable/c/c86211159bc3178b891e0d60e586a32c7b6a231bPatch
FAQ
What is CVE-2023-3865?
CVE-2023-3865 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 ...
How severe is CVE-2023-3865?
CVE-2023-3865 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-3865?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.