{"id":"CVE-2026-93052","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: bcm-vk: Use acquire/release for msgq_inited\n\nbcm_vk_sync_msgq() fills the message queue information and then sets\nmsgq_inited","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: bcm-vk: Use acquire/release for msgq_inited\n\nbcm_vk_sync_msgq() fills the message queue information and then sets\nmsgq_inited. Readers call bcm_vk_drv_access_ok()…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 111d746bb4767ad476f80fe49067e3df3d9a9375 < bab66a9e30e39a06f3463b19f8c704386dfd5268","Linux >= 111d746bb4767ad476f80fe49067e3df3d9a9375 < 679cfada6868723ccf162ec3b78c7402ff2405bf","Linux >= 111d746bb4767ad476f80fe49067e3df3d9a9375 < f7a8f4cbc8cede0be55220367dc52b126e2d39e5","Linux >= 111d746bb4767ad476f80fe49067e3df3d9a9375 < 1df3926ed8771edf286ff753428b243f334e6041","Linux >= 111d746bb4767ad476f80fe49067e3df3d9a9375 < a45d6dd3c11e921882a2e74c7c8710b975f2eaa7","Linux >= 111d746bb4767ad476f80fe49067e3df3d9a9375 < 4984277bc43f84d7506346a09b29af138246d54a","Linux >= 111d746bb4767ad476f80fe49067e3df3d9a9375 < 61b101c6a150057b6d512421ed108aed16e822ea","Linux 5.12"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:58.657","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93052","references":[{"url":"https://git.kernel.org/stable/c/1df3926ed8771edf286ff753428b243f334e6041","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4984277bc43f84d7506346a09b29af138246d54a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/61b101c6a150057b6d512421ed108aed16e822ea","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/679cfada6868723ccf162ec3b78c7402ff2405bf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a45d6dd3c11e921882a2e74c7c8710b975f2eaa7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bab66a9e30e39a06f3463b19f8c704386dfd5268","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f7a8f4cbc8cede0be55220367dc52b126e2d39e5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.770Z","epss":0.00205,"epssPercentile":0.10896,"slug":"CVE-2026-93052","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmisc: bcm-vk: Use acquire/release for msgq_inited\n\nbcm_vk_sync_msgq() fills the message queue information and then sets\nmsgq_inited. Readers call bcm_vk_drv_access_ok() before accessing the\nmessage queues and their cached queue information.\n\natomic_set()/atomic_read() do not order those accesses. A reader can see\nmsgq_inited set while still seeing stale queue information. Use release\nwhen publishing the initialized queues and acquire when checking the gate.\n\nKeep the clear in bcm_vk_blk_drv_access() as atomic_set(). It closes the\ngate and does not publish queue state to readers.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}