{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43353", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.005Z", "datePublished": "2026-05-08T14:21:10.282Z", "dateUpdated": "2026-05-08T14:21:10.282Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T14:21:10.282Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: mipi-i3c-hci: Fix race in DMA ring dequeue\n\nThe HCI DMA dequeue path (hci_dma_dequeue_xfer()) may be invoked for\nmultiple transfers that timeout around the same time. However, the\nfunction is not serialized and can race with itself.\n\nWhen a timeout occurs, hci_dma_dequeue_xfer() stops the ring, processes\nincomplete transfers, and then restarts the ring. If another timeout\ntriggers a parallel call into the same function, the two instances may\ninterfere with each other - stopping or restarting the ring at unexpected\ntimes.\n\nAdd a mutex so that hci_dma_dequeue_xfer() is serialized with respect to\nitself."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/i3c/master/mipi-i3c-hci/core.c", "drivers/i3c/master/mipi-i3c-hci/dma.c", "drivers/i3c/master/mipi-i3c-hci/hci.h"], "versions": [{"version": "9ad9a52cce2828d932ae9495181e3d6414f72c07", "lessThan": "b684b420a5bb0ea1b0e13abfdb8ce41c5266e62e", "status": "affected", "versionType": "git"}, {"version": "9ad9a52cce2828d932ae9495181e3d6414f72c07", "lessThan": "4faa1e9c67a2229f6749190aedaf88ce0391efd2", "status": "affected", "versionType": "git"}, {"version": "9ad9a52cce2828d932ae9495181e3d6414f72c07", "lessThan": "1dca8aee80eea76d2aae21265de5dd64f6ba0f09", "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/i3c/master/mipi-i3c-hci/core.c", "drivers/i3c/master/mipi-i3c-hci/dma.c", "drivers/i3c/master/mipi-i3c-hci/hci.h"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.11", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b684b420a5bb0ea1b0e13abfdb8ce41c5266e62e"}, {"url": "https://git.kernel.org/stable/c/4faa1e9c67a2229f6749190aedaf88ce0391efd2"}, {"url": "https://git.kernel.org/stable/c/1dca8aee80eea76d2aae21265de5dd64f6ba0f09"}], "title": "i3c: mipi-i3c-hci: Fix race in DMA ring dequeue", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: mipi-i3c-hci: Fix race in DMA ring dequeue\n\nThe HCI DMA dequeue path (hci_dma_dequeue_xfer()) may be invoked for\nmultiple transfers that timeout around the same time. However, the\nfunction is not serialized and can race with itself.\n\nWhen a timeout occurs, hci_dma_dequeue_xfer() stops the ring, processes\nincomplete transfers, and then restarts the ring. If another timeout\ntriggers a parallel call into the same function, the two instances may\ninterfere with each other - stopping or restarting the ring at unexpected\ntimes.\n\nAdd a mutex so that hci_dma_dequeue_xfer() is serialized with respect to\nitself."}], "id": "CVE-2026-43353", "lastModified": "2026-05-08T15:16:46.043", "metrics": {}, "published": "2026-05-08T15:16:46.043", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1dca8aee80eea76d2aae21265de5dd64f6ba0f09"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4faa1e9c67a2229f6749190aedaf88ce0391efd2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b684b420a5bb0ea1b0e13abfdb8ce41c5266e62e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9ad9a52cce2828d932ae9495181e3d6414f72c07,b684b420a5bb0ea1b0e13abfdb8ce41c5266e62e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9ad9a52cce2828d932ae9495181e3d6414f72c07,4faa1e9c67a2229f6749190aedaf88ce0391efd2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9ad9a52cce2828d932ae9495181e3d6414f72c07,1dca8aee80eea76d2aae21265de5dd64f6ba0f09)"}}], "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": "generic", "value": "5.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.19,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.9,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "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": "2026-05-08T16:30:12.438656+00:00", "updated": "2026-05-08T16:30:12.438758+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}