linux: A flaw was found within the parsing of SMB2 requests that have a transform header in the kernel ksmbd module
CVE-2023-39176 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-39176, released November 18, 2024. It is not reported as exploited. Patch Radar priority: High.
A flaw was found within the parsing of SMB2 requests that have a transform header in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose sensitive information on affected installations of Linux. Only systems with ksmbd enabled are vulnerable to this CVE.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.52-1 | DEBIAN-CVE-2023-39176 | Nov 18, 2024 |
| linux · Debian 13.5 (trixie) | 6.5.3-1 | DEBIAN-CVE-2023-39176 | Nov 18, 2024 |
| linux · Debian 14 | 6.5.3-1 | DEBIAN-CVE-2023-39176 | Nov 18, 2024 |
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