PT-2026-52017 · Linux · Linux
Publicado
2026-06-24
·
Atualizado
2026-06-24
·
CVE-2026-53123
Nenhuma
Não há classificações de severidade ou métricas disponíveis. Quando houver, atualizaremos as informações correspondentes na página.
In the Linux kernel, the following vulnerability has been resolved:
md: wake raid456 reshape waiters before suspend
During raid456 reshape, direct IO across the reshape position can sleep
in raid5 make request() waiting for reshape progress while still
holding an active io reference. If userspace then freezes reshape and
writes md/suspend lo or md/suspend hi, mddev suspend() kills active io
and waits for all in-flight IO to drain.
This can deadlock: the IO needs reshape progress to continue, but the
reshape thread is already frozen, so the active io reference is never
dropped and suspend never completes.
raid5 prepare suspend() already wakes wait for reshape for dm-raid. Do
the same for normal md suspend when reshape is already interrupted, so
waiting raid456 IO can abort, drop its reference, and let suspend
finish.
The mdadm test tests/25raid456-reshape-deadlock reproduces the hang.
Encontrou algum problema na descrição? Tem algo a acrescentar? Fique à vontade para nos escrever 👾
Identificadores relacionados
Produtos afetados
Linux