CVE-2026-90433

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90433", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.815Z", "datePublished": "2026-09-17T16:09:53.085Z", "dateUpdated": "2026-10-30T12:35:35.625Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:35.625Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: oc-tiny: switch to managed controller allocation\n\nThe controller is allocated with the non-managed spi_alloc_host() while\nthe interrupt is registered with devm_request_irq(). During removal,\nspi_bitbang_stop() only unregisters the controller; the subsequent\nspi_controller_put() then frees the controller together with its\nembedded driver-private devdata, which is the IRQ handler's dev_id. The\ndevm_request_irq() release action (free_irq()), which drains the\nhandler, does not run until after .remove() returns. A late or latched\ninterrupt can therefore reach tiny_spi_irq() and dereference\nalready-freed memory (e.g. hw->base).\n\nSwitch to devm_spi_alloc_host() so that the devres LIFO order releases\nthe controller only after free_irq() has drained the handler, and drop\nthe now-redundant spi_controller_put() from .remove(). The probe error\npath is simplified to direct returns.\n\nThis issue was found by an in-house static analysis tool."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/spi/spi-oc-tiny.c"], "versions": [{"version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "lessThan": "a2f1c58864fc3612c230a9d5cc1929e1ffe348ac", "status": "affected", "versionType": "git"}, {"version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "lessThan": "9265fa8190312b87637def1382d36fc16de3b8e8", "status": "affected", "versionType": "git"}, {"version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "lessThan": "0260c94453a08491640e61f8cf0c384edbe7bd11", "status": "affected", "versionType": "git"}, {"version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "lessThan": "ef5cc4a8c088d05549f71950a72b5deff5000fd7", "status": "affected", "versionType": "git"}, {"version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "lessThan": "1cd16c8d68f58e54abb8f331d05469237200631f", "status": "affected", "versionType": "git"}, {"version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "lessThan": "d710f43ce30975d197f73c543bfe47b958d8ba17", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/spi/spi-oc-tiny.c"], "versions": [{"version": "2.6.39", "status": "affected"}, {"version": "0", "lessThan": "2.6.39", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a2f1c58864fc3612c230a9d5cc1929e1ffe348ac"}, {"url": "https://git.kernel.org/stable/c/9265fa8190312b87637def1382d36fc16de3b8e8"}, {"url": "https://git.kernel.org/stable/c/0260c94453a08491640e61f8cf0c384edbe7bd11"}, {"url": "https://git.kernel.org/stable/c/ef5cc4a8c088d05549f71950a72b5deff5000fd7"}, {"url": "https://git.kernel.org/stable/c/1cd16c8d68f58e54abb8f331d05469237200631f"}, {"url": "https://git.kernel.org/stable/c/d710f43ce30975d197f73c543bfe47b958d8ba17"}], "title": "spi: oc-tiny: switch to managed controller allocation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/spi/spi-oc-tiny.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a2f1c58864fc3612c230a9d5cc1929e1ffe348ac", "status": "affected", "version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "versionType": "git"}, {"lessThan": "9265fa8190312b87637def1382d36fc16de3b8e8", "status": "affected", "version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "versionType": "git"}, {"lessThan": "0260c94453a08491640e61f8cf0c384edbe7bd11", "status": "affected", "version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "versionType": "git"}, {"lessThan": "ef5cc4a8c088d05549f71950a72b5deff5000fd7", "status": "affected", "version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "versionType": "git"}, {"lessThan": "1cd16c8d68f58e54abb8f331d05469237200631f", "status": "affected", "version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "versionType": "git"}, {"lessThan": "d710f43ce30975d197f73c543bfe47b958d8ba17", "status": "affected", "version": "ce792580ea2ce6f7259b45124e9ccc4574c31606", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/spi/spi-oc-tiny.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.39"}, {"lessThan": "2.6.39", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: oc-tiny: switch to managed controller allocation\n\nThe controller is allocated with the non-managed spi_alloc_host() while\nthe interrupt is registered with devm_request_irq(). During removal,\nspi_bitbang_stop() only unregisters the controller; the subsequent\nspi_controller_put() then frees the controller together with its\nembedded driver-private devdata, which is the IRQ handler's dev_id. The\ndevm_request_irq() release action (free_irq()), which drains the\nhandler, does not run until after .remove() returns. A late or latched\ninterrupt can therefore reach tiny_spi_irq() and dereference\nalready-freed memory (e.g. hw->base).\n\nSwitch to devm_spi_alloc_host() so that the devres LIFO order releases\nthe controller only after free_irq() has drained the handler, and drop\nthe now-redundant spi_controller_put() from .remove(). The probe error\npath is simplified to direct returns.\n\nThis issue was found by an in-house static analysis tool."}], "id": "CVE-2026-90433", "lastModified": "2026-10-30T13:20:52.980", "metrics": {}, "published": "2026-09-17T17:17:48.400", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0260c94453a08491640e61f8cf0c384edbe7bd11"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1cd16c8d68f58e54abb8f331d05469237200631f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9265fa8190312b87637def1382d36fc16de3b8e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a2f1c58864fc3612c230a9d5cc1929e1ffe348ac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d710f43ce30975d197f73c543bfe47b958d8ba17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef5cc4a8c088d05549f71950a72b5deff5000fd7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce792580ea2ce6f7259b45124e9ccc4574c31606,0260c94453a08491640e61f8cf0c384edbe7bd11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce792580ea2ce6f7259b45124e9ccc4574c31606,ef5cc4a8c088d05549f71950a72b5deff5000fd7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce792580ea2ce6f7259b45124e9ccc4574c31606,1cd16c8d68f58e54abb8f331d05469237200631f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce792580ea2ce6f7259b45124e9ccc4574c31606,d710f43ce30975d197f73c543bfe47b958d8ba17)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.39"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.39)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T09:45:03.790033+00:00", "updated": "2026-09-19T13:45:15.367054+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}