Microsoft Addresses Deadlock and BUG_ON Issues in RAID5 with CVEs
First seen 18 Feb 2026, 12:23 UTC
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Microsoft has published two critical updates addressing vulnerabilities in the md/raid5 subsystem. CVE-2024-39476, published on July 5, 2024, resolves a deadlock issue where raid5d() could wait for itself to clear a pending state. CVE-2024-43914, published on August 26, 2024, prevents a BUG_ON() condition during reshape operations after reassembling.
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Timeline
2024-07-05
CVE-2024-39476 published
2024-08-26
CVE-2024-43914 published
2026-02-18
Two articles published addressing RAID5 vulnerabilities