Security
Two CVSS 9.0 Linux KSMBD RCE Flaws Disclosed on Public Mailing Lists Before Kernel Fixes
The Hacker News·October 22, 2026·1 min read
Two critical remote code execution flaws in Linux's KSMBD SMB server, rated 9.0 by Trend Micro's Zero Day Initiative, were disclosed on public mailing lists with no fix in the mainline kernel. One flaw, ZDI-CAN-33774, can be triggered before network authentication; the other, ZDI-CAN-33549, requires SMB Direct and RDMA-capable networking.
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