Linux Kernel Vulnerability Affecting Block Device Auto Integrity Buffer Initialization
CVE-2026-23007

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 25 January 2026

What is CVE-2026-23007?

A vulnerability in the Linux kernel allows for uninitialized memory in the auto-generated integrity buffer used for write operations to be read back in userspace or by anyone with physical access to the storage device. This issue arises when the integrity buffer is not fully initialized when passed to the underlying block device, specifically when the protection information is generated. In scenarios where the metadata size exceeds the protection information tuple size, portions of the metadata remain uninitialized, leading to potential security risks.

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