linux: An issue was discovered in the Linux kernel before 6.3.8
CVE-2023-38431 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-38431, released July 18, 2023. It is not reported as exploited. Patch Radar priority: Urgent.
An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header's length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.37-1 | DEBIAN-CVE-2023-38431 | Jul 18, 2023 |
| linux · Debian 13.5 (trixie) | 6.3.11-1 | DEBIAN-CVE-2023-38431 | Jul 18, 2023 |
| linux · Debian 14 | 6.3.11-1 | DEBIAN-CVE-2023-38431 | Jul 18, 2023 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.