{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-26659", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.147Z", "datePublished": "2024-04-02T06:22:09.241Z", "dateUpdated": "2024-11-05T09:13:22.646Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:13:22.646Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: handle isoc Babble and Buffer Overrun events properly\n\nxHCI 4.9 explicitly forbids assuming that the xHC has released its\nownership of a multi-TRB TD when it reports an error on one of the\nearly TRBs. Yet the driver makes such assumption and releases the TD,\nallowing the remaining TRBs to be freed or overwritten by new TDs.\n\nThe xHC should also report completion of the final TRB due to its IOC\nflag being set by us, regardless of prior errors. This event cannot\nbe recognized if the TD has already been freed earlier, resulting in\n\"Transfer event TRB DMA ptr not part of current TD\" error message.\n\nFix this by reusing the logic for processing isoc Transaction Errors.\nThis also handles hosts which fail to report the final completion.\n\nFix transfer length reporting on Babble errors. 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Yet the driver makes such assumption and releases the TD,\nallowing the remaining TRBs to be freed or overwritten by new TDs.\n\nThe xHC should also report completion of the final TRB due to its IOC\nflag being set by us, regardless of prior errors. This event cannot\nbe recognized if the TD has already been freed earlier, resulting in\n\"Transfer event TRB DMA ptr not part of current TD\" error message.\n\nFix this by reusing the logic for processing isoc Transaction Errors.\nThis also handles hosts which fail to report the final completion.\n\nFix transfer length reporting on Babble errors. They may be caused by\ndevice malfunction, no guarantee that the buffer has been filled."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:13:22.646Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26659", "state": "PUBLISHED", "dateUpdated": "2024-11-05T09:13:22.646Z", "dateReserved": "2024-02-19T14:20:24.147Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-02T06:22:09.241Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: handle isoc Babble and Buffer Overrun events properly\n\nxHCI 4.9 explicitly forbids assuming that the xHC has released its\nownership of a multi-TRB TD when it reports an error on one of the\nearly TRBs. Yet the driver makes such assumption and releases the TD,\nallowing the remaining TRBs to be freed or overwritten by new TDs.\n\nThe xHC should also report completion of the final TRB due to its IOC\nflag being set by us, regardless of prior errors. This event cannot\nbe recognized if the TD has already been freed earlier, resulting in\n\"Transfer event TRB DMA ptr not part of current TD\" error message.\n\nFix this by reusing the logic for processing isoc Transaction Errors.\nThis also handles hosts which fail to report the final completion.\n\nFix transfer length reporting on Babble errors. They may be caused by\ndevice malfunction, no guarantee that the buffer has been filled."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xhci: maneja correctamente los eventos isoc Babble y Buffer Overrun xHCI 4.9 proh\u00edbe expl\u00edcitamente suponer que xHC ha liberado su propiedad de un TD multi-TRB cuando informa un error en uno de los primeros TRB. Sin embargo, el conductor hace tal suposici\u00f3n y libera el TD, permitiendo que los TRB restantes sean liberados o sobrescritos por nuevos TD. El xHC tambi\u00e9n debe informar la finalizaci\u00f3n del TRB final debido a que nosotros establecimos la bandera del COI, independientemente de los errores anteriores. Este evento no se puede reconocer si el TD ya se liber\u00f3 anteriormente, lo que genera el mensaje de error \"Evento de transferencia TRB DMA ptr no forma parte del TD actual\". Solucione este problema reutilizando la l\u00f3gica para procesar errores de transacci\u00f3n isoc. Esto tambi\u00e9n maneja los hosts que no informan la finalizaci\u00f3n final. Se corrigi\u00f3 el informe de duraci\u00f3n de la transferencia sobre errores de Babble. Pueden deberse a un mal funcionamiento del dispositivo, no hay garant\u00eda de que se haya llenado el b\u00fafer."}], "id": "CVE-2024-26659", "lastModified": "2024-11-21T09:02:47.073", "metrics": {}, "published": "2024-04-02T07:15:42.980", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2aa7bcfdbb46241c701811bbc0d64d7884e3346c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e3ec80ea7ba58bbb210e83b5a0afefee7c171d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/418456c0ce56209610523f21734c5612ee634134"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/696e4112e5c1ee61996198f0ebb6ca3fab55166e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7c4650ded49e5b88929ecbbb631efb8b0838e811"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f5e7ffa9269a448a720e21f1ed1384d118298c97"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/2aa7bcfdbb46241c701811bbc0d64d7884e3346c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/2e3ec80ea7ba58bbb210e83b5a0afefee7c171d3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/418456c0ce56209610523f21734c5612ee634134"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/696e4112e5c1ee61996198f0ebb6ca3fab55166e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/7c4650ded49e5b88929ecbbb631efb8b0838e811"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/f5e7ffa9269a448a720e21f1ed1384d118298c97"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:3627", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.5.1.rt7.346.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:3618", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.5.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}], "bugzilla": {"description": "kernel: xhci: handle isoc Babble and Buffer Overrun events properly", "id": "2272780", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2272780"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-119", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nxhci: handle isoc Babble and Buffer Overrun events properly\nxHCI 4.9 explicitly forbids assuming that the xHC has released its\nownership of a multi-TRB TD when it reports an error on one of the\nearly TRBs. Yet the driver makes such assumption and releases the TD,\nallowing the remaining TRBs to be freed or overwritten by new TDs.\nThe xHC should also report completion of the final TRB due to its IOC\nflag being set by us, regardless of prior errors. This event cannot\nbe recognized if the TD has already been freed earlier, resulting in\n\"Transfer event TRB DMA ptr not part of current TD\" error message.\nFix this by reusing the logic for processing isoc Transaction Errors.\nThis also handles hosts which fail to report the final completion.\nFix transfer length reporting on Babble errors. They may be caused by\ndevice malfunction, no guarantee that the buffer has been filled.", "A flaw was found in the Linux kernel related to the Extensible Host Controller Interface (xHCI) subsystem, specifically how it handles certain events. The issue arises when the xHCI driver improperly handles isochronous (isoc) Babble and Buffer Overrun events. The vulnerability occurs because the xHCI driver incorrectly assumes that the xHC (host controller) has released its ownership of a multi-TRB (Transfer Request Block) TD (Transfer Descriptor) after reporting an error on an early TRB. This assumption leads to the premature release of the TD, allowing remaining TRBs to be freed or overwritten, which can cause system instability or crashes."], "mitigation": {"lang": "en:us", "value": "There is no known mitigation to this problem. Red Hat recommends updating to the latest kernel version to fix the problem."}, "name": "CVE-2024-26659", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26659\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26659\nhttps://lore.kernel.org/linux-cve-announce/2024040222-CVE-2024-26659-e4f6@gregkh/T"], "statement": "Red Hat Product Security has classified the severity of this vulnerability as Moderate due to the specific prerequisites required for exploitation. Successful exploitation generally necessitates local access to the system with elevated permissions to interact with the Extensible Host Controller Interface (xHCI) driver, which effectively translates to root-level access.", "threat_severity": "Low", "upstream_fix": "kernel 5.10.213, kernel 5.15.152, kernel 6.1.82, kernel 6.6.17, kernel 6.7.5, kernel 6.8"}