CVE-2026-89558

Description

A flaw was found in the Linux kernel's md/raid10 (RAID10) driver. This vulnerability occurs when a RAID10 array is in a degraded state and a device is being recovered while another mirror is still missing. Due to an inverted boolean value, the system incorrectly clears necessary bitmap bits, causing subsequent recovery operations to skip regions with stale data. This can lead to silent data corruption on the re-added device, impacting data integrity.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Other

Technical Impact: Alter Execution Logic

This weakness can cause unintended logic to be executed and other unexpected application behavior.

Frequently Asked Questions

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