linux: A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module
CVE-2023-39180 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-39180, released November 18, 2024. It is not reported as exploited. Patch Radar priority: High.
A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.55-1 | DEBIAN-CVE-2023-39180 | Nov 18, 2024 |
| linux · Debian 13.5 (trixie) | 6.5.3-1 | DEBIAN-CVE-2023-39180 | Nov 18, 2024 |
| linux · Debian 14 | 6.5.3-1 | DEBIAN-CVE-2023-39180 | Nov 18, 2024 |
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