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CVE-2026-72422 ksmbd: fix use-after-free of conn->preauth_info in concurrent SMB2 NEGOTIATE

🗓️ 15 Aug 2026 05:56:41Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

ksmbd has a UAF of conn->preauth_info during concurrent SMB2 NEGOTIATE requests, fixed by locking the response send path.

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16 Aug 2026 03:48Current
5.7Medium risk
Vulners AI Score5.7
3