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misc: bcm-vk: Use acquire/release for msgq_inited

Published Sep 17, 2026

Description

bcm_vk_sync_msgq() fills the message queue information and then sets msgq_inited. Readers call bcm_vk_drv_access_ok() before accessing the message queues and their cached queue information.

atomic_set()/atomic_read() do not order those accesses. A reader can see msgq_inited set while still seeing stale queue information. Use release when publishing the initialized queues and acquire when checking the gate.

Keep the clear in bcm_vk_blk_drv_access() as atomic_set(). It closes the gate and does not publish queue state to readers.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (0)

No CWE recorded.

References (8)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Linux
Published Sep 17, 2026
Updated Sep 17, 2026
Reserved Sep 17, 2026
NVD
Status Received
Modified Sep 17, 2026
Red Hat
Severity n/a
Public date n/a
ENISA EUVD
Assigner Linux
Published Sep 17, 2026
Updated Sep 17, 2026
Exploited since n/a
EUVD-2026-82162