Linux Kernel: Weekly Recap - SMB Security & Protocol Improvements
This week's Linux kernel development focused heavily on SMB/CIFS security fixes and protocol standardization, with 30 commits including critical security patches for ksmbd durable handle validation and memory leak fixes.
Duration: PT2M28S
Episode overview
This episode is a short developer briefing from Linux Kernel.
It explains recent repository work in plain language.
- Show: Linux Kernel
- Published: 2026-04-13T00:00:00Z
- Audio duration: PT2M28S
Transcript excerpt
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Good morning, this is your Linux Kernel weekly recap for April 6th through 13th, 2026.
Zero pull requests were merged this week, with 30 additional commits landing across various subsystems.
The dominant theme this week was SMB and CIFS improvements, particularly around security and protocol compliance. Several critical security fixes were merged for the ksmbd server component. Namjae Jeon addressed a significant vulnerability in durable handle reconnection that allowed authenticated users to hijack…
Greg Kroah-Hartman contributed another important security fix, resolving a memory leak in SPNEGO token handling. The issue occurred when malformed authentication blobs would cause mechToken allocation without proper cleanup, allowing untrusted clients to cause memory leaks on servers pre-authentication.
Protocol standardization work dominated the remaining SMB commits. ZhangGuoDong led efforts to consolidate structure definitions according to Microsoft's official specifications, moving filesystem volume info and file basic info structures from scattered headers into the common fscc.h file. This cleanup aligns the…
The BPF subsystem saw targeted fixes from Alexei Starovoitov and Sun Jian…
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- Weekly Recap - Memory Management and Architecture Fixes
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