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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-64261

fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues

Description

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues fuse_uring_async_stop_queues() might run when the last reference on ring->queue_refs was already dropped. In order to avoid an early destruction a reference on struct fuse_conn is now taken before starting fuse_uring_async_stop_queues() and that reference is only released when that delayed work queue terminates.

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

  • 4a9bfb9b6850fec0685447aed280533cf980de70 to < 23a356e0bd96c8d5fb3ddff069f692bf10cab5c1affected
  • 4a9bfb9b6850fec0685447aed280533cf980de70 to < 95d7f50aff2a5f71557263ff25b97b2951f32bf8affected
  • 4a9bfb9b6850fec0685447aed280533cf980de70 to < d351da75066955144515cb2f9aa959f24a04287aaffected

Linux Linux

Default version status: affected

  • 6.14affected
  • 0 to < 6.14unaffected
  • 6.18.39 to ≤ 6.18.*unaffected
  • 7.1.4 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References