Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d “watchqueue: Free the alloc bitmap when the watchqueue is torn down” addressed the issue with the bitmap, but not the page array. BUG: Memory leak...

The vulnerability of the `watch_queue_set_size()` function in the kernel/watch_queue.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the watchqueuesetsize function in the kernel/watchqueue.c module of the Linux operating system is related to the pointer dereferencing. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992728)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992728 advisory. In the Linux kernel, the following vulnerability has been resolved: watchqueue: fix pipe accounting mismatch Currently, watchqueuesetsize modifies the pipe buffers...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414498)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414498 advisory. An out-of-bounds OOB memory write flaw was found in the Linux kernels watchqueue event notification subsystem. This flaw can overwrite parts of the kernel state,...

CVE-2022-49256

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...

CVE-2022-49256

CVE-2022-49256 : In the Linux kernel, the watch_queue memory leak occurs because free_watch() forgets to free the watch object. The fix adds the missing kfree to actually free the watch and prevent the leak (kmemleak reports show an unreferenced object and backtraces through keyctl_watch_key and ...