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CVE-2022-1882 is a use-after-free vulnerability in the Linux kernel pipe notification path. In fs/pipe.c, free_pipe_info() frees a pipe object without clearing the associated watch_queue->pipe reference. The stale reference becomes a dangling pointer that post_one_notification() can subsequently dereference. The flaw results from a race between pipe teardown and notification processing and was fixed upstream in Linux kernel 5.18-rc8.
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Linux kernel pipe cleanup use-after-free that could permit privilege escalation.
Linux kernel pipe handling use-after-free with potential privilege escalation.
A Linux kernel use-after-free vulnerability in pipe watch-queue handling, specifically free_pipe_info(), that can lead to local privilege escalation through use of a dangling watch_queue->pipe pointer.
A Linux kernel pipe-functionality use-after-free vulnerability involving a race between post_one_notification() and free_pipe_info(). A local low-privileged user may cause a denial of service or potentially escalate privileges.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.