Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: locking/qrwlock: Fixed the ordering in queuedwritelockslowpath While this code is executed with waitlock held, a reader can acquire the lock without holding waitlock. The writer checks the value using atomiccondreadacquire, bu...

UBUNTU-CVE-2026-64588

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix data races on ring-ready On weakly-ordered architectures, the store to fiq-ops can be reordered past the store to ring-ready, allowing a CPU that sees ring-ready == true via fuseuringready to dispatch requests...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000512)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000512 advisory. In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the...

SUSE CVE-2021-46921

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value with the...

CVE-2021-46921

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value with the...

DEBIAN-CVE-2021-46921

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value with the...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value with the...

UBUNTU-CVE-2021-46921

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value with the...

CVE-2021-46921 locking/qrwlock: Fix ordering in queued_write_lock_slowpath()

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value with the...

PT-2021-8278

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the locking mechanism in the Linux kernel, specifically in the queued write lock slowpath function. A reader can acquire the lock without holding the wait lock,...