{"api_version":"1","generated_at":"2026-09-20T20:39:50+00:00","cve":"CVE-2026-93052","urls":{"html":"https://cve.report/CVE-2026-93052","api":"https://cve.report/api/cve/CVE-2026-93052.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93052","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93052"},"summary":{"title":"misc: bcm-vk: Use acquire/release for msgq_inited","description":"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() 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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:58","updated_at":"2026-09-17 17:17:58"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/61b101c6a150057b6d512421ed108aed16e822ea","name":"https://git.kernel.org/stable/c/61b101c6a150057b6d512421ed108aed16e822ea","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4984277bc43f84d7506346a09b29af138246d54a","name":"https://git.kernel.org/stable/c/4984277bc43f84d7506346a09b29af138246d54a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f7a8f4cbc8cede0be55220367dc52b126e2d39e5","name":"https://git.kernel.org/stable/c/f7a8f4cbc8cede0be55220367dc52b126e2d39e5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bab66a9e30e39a06f3463b19f8c704386dfd5268","name":"https://git.kernel.org/stable/c/bab66a9e30e39a06f3463b19f8c704386dfd5268","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/679cfada6868723ccf162ec3b78c7402ff2405bf","name":"https://git.kernel.org/stable/c/679cfada6868723ccf162ec3b78c7402ff2405bf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1df3926ed8771edf286ff753428b243f334e6041","name":"https://git.kernel.org/stable/c/1df3926ed8771edf286ff753428b243f334e6041","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a45d6dd3c11e921882a2e74c7c8710b975f2eaa7","name":"https://git.kernel.org/stable/c/a45d6dd3c11e921882a2e74c7c8710b975f2eaa7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93052","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93052","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 111d746bb4767ad476f80fe49067e3df3d9a9375 bab66a9e30e39a06f3463b19f8c704386dfd5268 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 111d746bb4767ad476f80fe49067e3df3d9a9375 679cfada6868723ccf162ec3b78c7402ff2405bf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 111d746bb4767ad476f80fe49067e3df3d9a9375 f7a8f4cbc8cede0be55220367dc52b126e2d39e5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 111d746bb4767ad476f80fe49067e3df3d9a9375 1df3926ed8771edf286ff753428b243f334e6041 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 111d746bb4767ad476f80fe49067e3df3d9a9375 a45d6dd3c11e921882a2e74c7c8710b975f2eaa7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 111d746bb4767ad476f80fe49067e3df3d9a9375 4984277bc43f84d7506346a09b29af138246d54a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 111d746bb4767ad476f80fe49067e3df3d9a9375 61b101c6a150057b6d512421ed108aed16e822ea git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"93052","cve":"CVE-2026-93052","epss":"0.002050000","percentile":"0.109430000","score_date":"2026-09-18","updated_at":"2026-09-19 00:06:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/misc/bcm-vk/bcm_vk_msg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bab66a9e30e39a06f3463b19f8c704386dfd5268","status":"affected","version":"111d746bb4767ad476f80fe49067e3df3d9a9375","versionType":"git"},{"lessThan":"679cfada6868723ccf162ec3b78c7402ff2405bf","status":"affected","version":"111d746bb4767ad476f80fe49067e3df3d9a9375","versionType":"git"},{"lessThan":"f7a8f4cbc8cede0be55220367dc52b126e2d39e5","status":"affected","version":"111d746bb4767ad476f80fe49067e3df3d9a9375","versionType":"git"},{"lessThan":"1df3926ed8771edf286ff753428b243f334e6041","status":"affected","version":"111d746bb4767ad476f80fe49067e3df3d9a9375","versionType":"git"},{"lessThan":"a45d6dd3c11e921882a2e74c7c8710b975f2eaa7","status":"affected","version":"111d746bb4767ad476f80fe49067e3df3d9a9375","versionType":"git"},{"lessThan":"4984277bc43f84d7506346a09b29af138246d54a","status":"affected","version":"111d746bb4767ad476f80fe49067e3df3d9a9375","versionType":"git"},{"lessThan":"61b101c6a150057b6d512421ed108aed16e822ea","status":"affected","version":"111d746bb4767ad476f80fe49067e3df3d9a9375","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/misc/bcm-vk/bcm_vk_msg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.12"},{"lessThan":"5.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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() 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."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:10:41.716Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/bab66a9e30e39a06f3463b19f8c704386dfd5268"},{"url":"https://git.kernel.org/stable/c/679cfada6868723ccf162ec3b78c7402ff2405bf"},{"url":"https://git.kernel.org/stable/c/f7a8f4cbc8cede0be55220367dc52b126e2d39e5"},{"url":"https://git.kernel.org/stable/c/1df3926ed8771edf286ff753428b243f334e6041"},{"url":"https://git.kernel.org/stable/c/a45d6dd3c11e921882a2e74c7c8710b975f2eaa7"},{"url":"https://git.kernel.org/stable/c/4984277bc43f84d7506346a09b29af138246d54a"},{"url":"https://git.kernel.org/stable/c/61b101c6a150057b6d512421ed108aed16e822ea"}],"title":"misc: bcm-vk: Use acquire/release for msgq_inited","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93052","datePublished":"2026-09-17T16:10:41.716Z","dateReserved":"2026-09-17T15:57:05.658Z","dateUpdated":"2026-09-17T16:10:41.716Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:58","lastModifiedDate":"2026-09-17 17:17:58","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93052","Ordinal":"1","Title":"misc: bcm-vk: Use acquire/release for msgq_inited","CVE":"CVE-2026-93052","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93052","Ordinal":"1","NoteData":"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() 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.","Type":"Description","Title":"misc: bcm-vk: Use acquire/release for msgq_inited"}]}}}