Time-of-check Time-of-use (TOCTOU) The advisory has been revoked - it doesn't affect any version of package rv  (opens in a new tab)


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  • Snyk IDSNYK-RHEL10-RV-16932042
  • published28 May 2026
  • disclosed27 May 2026

Introduced: 27 May 2026

CVE-2026-46017  (opens in a new tab)
CWE-367  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rv package and not the rv package as distributed by RHEL.

In the Linux kernel, the following vulnerability has been resolved:

mm: fix deferred split queue races during migration

migrate_folio_move() records the deferred split queue state from src and replays it on dst. Replaying it after remove_migration_ptes(src, dst, 0) makes dst visible before it is requeued, so a concurrent rmap-removal path can mark dst partially mapped and trip the WARN in deferred_split_folio().

Move the requeue before remove_migration_ptes() so dst is back on the deferred split queue before it becomes visible again.

Because migration still holds dst locked at that point, teach deferred_split_scan() to requeue a folio when folio_trylock() fails. Otherwise a fully mapped underused folio can be dequeued by the shrinker and silently lost from split_queue.

[ziy@nvidia.com: move the comment]