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CVE PROGRAM SOURCE RECORDUnscored

CVE-2025-21817

block: mark GFP_NOIO around sysfs ->store()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: block: mark GFP_NOIO around sysfs ->store() sysfs ->store is called with queue freezed, meantime we have several ->store() callbacks(update_nr_requests, wbt, scheduler) to allocate memory with GFP_KERNEL which may run into direct reclaim code path, then potential deadlock can be caused. Fix the issue by marking NOIO around sysfs ->store()

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 1645cd7fd42c236c952e9228badcac4fea1829ea to < a09280c39ea54080daf19cfaf4a3121a8d17d5cdaffected
  • 8985da5481562e96b95e94ed8e5cc9b6565eb82b to < 2566ce907e5d5db8a039647208e029ce559baa31affected
  • c99f66e4084a62a2cc401c4704a84328aeddc9ec to < 7c0be4ead1f8f5f8be0803f347de0de81e3b8e1caffected

Linux Linux

Default version status: unaffected

  • 6.12.96 to < 6.12.109affected
  • 6.13.2 to < 6.13.3affected

References