CVE-2026-90275

CVE-2026-90275 is a Linux kernel bug in the md/raid1 (Software RAID mirror) driver. In raid1_takeover(), the code sets conf->array_frozen = 1 on the newly-allocated r1conf structure, but nothing subsequently clears it. This became impactful after commit b39f35ebe86d ("md: don't quiesce in mdde...

EUVD-2026-81868

In the Linux kernel, the following vulnerability has been resolved: md/raid1: don't set arrayfrozen in raid1takeover raid1takeover sets conf-arrayfrozen = 1 on the newly-allocated r1conf and nothing ever clears it, so every I/O to the array stalls permanently once waitbarrier sees it stuck at 1...