CVE-2026-99179

The Linux kernel is vulnerable to a race condition in watch_queue_set_size() and post_one_notification(). Because watch_queue_set_size() uses plain stores to publish wqueue->notes, notes_bitmap, nr_pages, and nr_notes, there is no ordering guarantee. This allows post_one_notification() to read...

EUVD-2026-111931

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix note pool publication race in watchqueuesetsize There is a race between watchqueuesetsize and postonenotification. watchqueuesetsize publishes wqueue-notes, notesbitmap, nrpages and nrnotes with plain stores, and...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989747)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989747 advisory. In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch freewatch does everything barring actually freeing the watch...

CVE-2022-49256: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch freewatch does everything barring actually freeing the watch object. Fix this by adding the missing kfree. kmemleak produces a report something like the following. Note that as an address can b...