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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-68334

rxrpc: fix io_thread race in rxrpc_wake_up_io_thread()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix io_thread race in rxrpc_wake_up_io_thread() rxrpc_wake_up_io_thread() checks local->io_thread before waking it, but then reloads the pointer for wake_up_process(). local->io_thread is cleared with WRITE_ONCE() when the I/O thread exits, so the second load can see NULL even if the first load did not. Take a READ_ONCE() snapshot and use it for both the NULL check and the wake_up_process() call, as rxrpc_encap_rcv() already does.

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

  • 5800b1cf3fd8ccab752a101865be1e76dac33142 to < c9165e199f56997f2f2deb5d3ec2dfab98dfa288affected
  • 5800b1cf3fd8ccab752a101865be1e76dac33142 to < 092b42cf3f6013eec43607ecbcad674723649514affected
  • 5800b1cf3fd8ccab752a101865be1e76dac33142 to < 745fb794c3e933c023af9dbb5876a5e16ad2dc71affected

Linux Linux

Default version status: affected

  • 6.16affected
  • 0 to < 6.16unaffected
  • 6.18.42 to ≤ 6.18.*unaffected
  • 7.1.6 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References