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Unauthenticated Linux ksmbd flaw can disclose information

Original title: ZDI-26-1004: Linux Kernel KSMBD Request Buffer Use of Uninitialized Resource Information Disclosure Vulnerability

ZDI Published Advisories ()1
Part of a story covered by 10 sourcesZDI publishes 10 Linux kernel advisories, none with fixesMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

Only kernels with ksmbd enabled are affected; ZDI rates the issue CVSS 6.3.

ZDI published ZDI-26-1004, a use of an uninitialized resource in the Linux kernel KSMBD request buffer. Remote attackers can disclose sensitive information without authentication, but only where ksmbd is enabled. ZDI assigned a CVSS rating of 6.3. No CVE, patch, or exploitation status appears in the snippet.

Unconfirmed: No CVE identifier is given in the advisory snippet.

Key facts
  • Advisory identifier is ZDI-26-1004.
  • Authentication is not required.
  • Only systems with ksmbd enabled are vulnerable.
  • ZDI CVSS rating is 6.3.
Security assessment · AI, from the article

Impact: Unauthenticated remote disclosure of sensitive information

ProductAffected
Linux Kernel KSMBD—
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From the original article

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Linux Kernel KSMBD. Authentication is not required to exploit this vulnerability. However, only systems with ksmbd enabled are vulnerable.

ZDI Published Advisories

zerodayinitiative.com

Read the full article at ZDI Published Advisories

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.