{"api_version":"1","generated_at":"2026-07-03T14:33:57+00:00","cve":"CVE-2026-53294","urls":{"html":"https://cve.report/CVE-2026-53294","api":"https://cve.report/api/cve/CVE-2026-53294.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53294","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53294"},"summary":{"title":"mailbox: mailbox-test: don't free the reused channel","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mailbox-test: don't free the reused channel\n\nThe RX channel can be aliased to the TX channel if it has a different\nMMIO. This special case needs to be handled when freeing the channels\notherwise a double-free occurs.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-26 20:17:22","updated_at":"2026-06-30 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the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mailbox-test: don't free the reused channel\n\nThe RX channel can be aliased to the TX channel if it has a different\nMMIO. This special case needs to be handled when freeing the channels\notherwise a double-free occurs."}],"providerMetadata":{"dateUpdated":"2026-06-26T19:40:52.927Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b"},{"url":"https://git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5"},{"url":"https://git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6"},{"url":"https://git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0"},{"url":"https://git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060"},{"url":"https://git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324d"},{"url":"https://git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4"},{"url":"https://git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473"}],"title":"mailbox: mailbox-test: don't free the reused channel","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53294","datePublished":"2026-06-26T19:40:52.927Z","dateReserved":"2026-06-09T07:44:35.396Z","dateUpdated":"2026-06-26T19:40:52.927Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-26 20:17:22","lastModifiedDate":"2026-06-30 14:44:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53294","Ordinal":"1","Title":"mailbox: mailbox-test: don't free the reused channel","CVE":"CVE-2026-53294","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53294","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mailbox-test: don't free the reused channel\n\nThe RX channel can be aliased to the TX channel if it has a different\nMMIO. This special case needs to be handled when freeing the channels\notherwise a double-free occurs.","Type":"Description","Title":"mailbox: mailbox-test: don't free the reused channel"}]}}}