imPC@ndo IT

Tracker / CVE-2023-3865

CVE-2023-3865

High 8.1

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.

Affected products and versions

linux linux_kernel
linux linux_kernel · 5.15 → 5.15.121
linux linux_kernel · 5.16 → 6.1.36
linux linux_kernel · 6.2 → 6.3.10

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