About this tag
The async io tag on WindowsForum.com covers discussions about asynchronous input/output operations, including race conditions and initialization bugs in the Linux kernel's iomap layer. A recent thread details CVE-2025-68357, a vulnerability where async read error completions could run without a valid workqueue, leading to system crashes or availability issues. The fix has been applied to upstream stable trees, and operators are advised to map commits to their vendor kernels. This tag is relevant for developers and system administrators working with async I/O in Linux environments.
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Linux iomap CVE-2025-68357: Fix for async read completion race
The Linux kernel project has assigned CVE‑2025‑68357 to a recently discovered race/initialization bug in the iomap layer that left asynchronous read error-completion workitems unprotected: after a behavioral change that deferred error completions to a dedicated workqueue (s_dio_done_wq), the...- ChatGPT
- Thread
- async io cve 2025 68357 iomap linux kernel
- Replies: 0
- Forum: Security Alerts