Bug 2363292 (CVE-2025-37775)

Summary: CVE-2025-37775 kernel: ksmbd: fix the warning from __kernel_write_iter
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-05-01 14:02:31 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix the warning from __kernel_write_iter

[ 2110.972290] ------------[ cut here ]------------
[ 2110.972301] WARNING: CPU: 3 PID: 735 at fs/read_write.c:599 __kernel_write_iter+0x21b/0x280

This patch doesn't allow writing to directory.
Comment 1 Avinash Hanwate 2025-05-02 04:33:12 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025050115-CVE-2025-37775-296d@gregkh/T