CVE-2024-47667

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Add workaround\nfor Errata #i2037 here.\n\nThe errata and workaround is applicable only to AM65x SR 1.0 and\nlater versions of the silicon will have this fixed.\n\n[1] -> https://www.ti.com/lit/er/sprz452i/sprz452i.pdf"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "baseScore": 7.3, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The defect is in the PCIe root complex's handling of oversized inbound TLPs on AM65x SR 1.0 silicon; it is triggered by DMA traffic to/from an attached endpoint, which a local user drives through ordinary file or network I/O rather than by any remotely-supplied protocol data.\nAC:L - The PCIe-spec default MRRS of 512 bytes is left in place on every downstream device of an unpatched AM654x root complex, so the >2\u00d7128-byte AXI burst condition is satisfied by default and repeated large transfers reliably hit the erratum \u2014 no race or unattainable state is involved.\nPR:L - No capability check guards the path; any unprivileged local user performing normal I/O against a PCIe-attached storage, network, or wireless device causes the oversized transfers that trigger the payload corruption and hang.\nUI:N - No victim action is required \u2014 the oversized transfers occur as a direct result of the attacker's own I/O activity against the PCIe device.\nS:U - The corruption and hang are confined to the SoC's own kernel and its DMA-mapped memory; no separate security authority such as a hypervisor or IOMMU boundary is crossed.\nC:L - The erratum corrupts in-flight TLP payloads within the controller's internal AXI buffers, so residual data from unrelated transactions can be substituted into a buffer the attacker can read back, giving a limited and unpredictable disclosure.\nI:H - The bus silently corrupts arbitrary PCIe payload data crossing between the endpoint and system memory \u2014 including kernel driver buffers and DMA-managed structures \u2014 and the erratum explicitly notes the corrupt data can destabilize the processor, so integrity loss is serious and uncontrolled.\nA:H - TI documents that the corrupt data can cause associated applications or the processor itself to hang, which is a complete denial of service on the affected system."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pci/controller/dwc/pci-keystone.c"], "versions": [{"version": "18b0415bc802a8bab5dedba5ae2757e83259e6ee", "lessThan": "cfb006e185f64edbbdf7869eac352442bc76b8f6", "status": "affected", "versionType": "git"}, {"version": "18b0415bc802a8bab5dedba5ae2757e83259e6ee", "lessThan": "ebbdbbc580c1695dec283d0ba6448729dc993246", "status": "affected", "versionType": "git"}, {"version": "18b0415bc802a8bab5dedba5ae2757e83259e6ee", "lessThan": "135843c351c08df72bdd4b4ebea53c8052a76881", "status": "affected", 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Add workaround\nfor Errata #i2037 here.\n\nThe errata and workaround is applicable only to AM65x SR 1.0 and\nlater versions of the silicon will have this fixed.\n\n[1] -> https://www.ti.com/lit/er/sprz452i/sprz452i.pdf"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI: keystone: Agregar workaround para Errata #i2037 (AM65x SR 1.0) Errata #i2037 en procesadores AM65x/DRA80xM Silicon Revision 1.0 (SPRZ452D_julio de 2018_revisado en diciembre de 2019 [1]) menciona que cuando un TLP PCIe entrante abarca m\u00e1s de dos r\u00e1fagas internas AXI de 128 bytes, el bus puede da\u00f1ar el payload del paquete y los datos da\u00f1ados pueden hacer que las aplicaciones asociadas o el procesador se cuelguen. El workaround para Errata #i2037 es limitar el tama\u00f1o m\u00e1ximo de solicitud de lectura y el tama\u00f1o m\u00e1ximo de payloas a 128 bytes. Agregar workaround para Errata #i2037 aqu\u00ed. La errata y el workaround a son aplicables solo a AM65x SR 1.0 y las versiones posteriores del silicio tendr\u00e1n esto corregido. [1] -> https://www.ti.com/lit/er/sprz452i/sprz452i.pdf"}], "id": "CVE-2024-47667", "lastModified": "2026-08-04T11:20:36.903", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.5, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-47667", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-10T13:21:25.873788Z", "version": "2.0.3"}}]}, "published": "2024-10-09T15:15:15.430", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/135843c351c08df72bdd4b4ebea53c8052a76881"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/576d0fb6f8d4bd4695e70eee173a1b9c7bae9572"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/86f271f22bbb6391410a07e08d6ca3757fda01fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af218c803fe298ddf00abef331aa526b20d7ea61"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cfb006e185f64edbbdf7869eac352442bc76b8f6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dd47051c76c8acd8cb983f01b4d1265da29cb66a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ebbdbbc580c1695dec283d0ba6448729dc993246"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0)", "id": "2317603", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2317603"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-119", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nPCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0)\nErrata #i2037 in AM65x/DRA80xM Processors Silicon Revision 1.0\n(SPRZ452D_July 2018_Revised December 2019 [1]) mentions when an\ninbound PCIe TLP spans more than two internal AXI 128-byte bursts,\nthe bus may corrupt the packet payload and the corrupt data may\ncause associated applications or the processor to hang.\nThe workaround for Errata #i2037 is to limit the maximum read\nrequest size and maximum payload size to 128 bytes. Add workaround\nfor Errata #i2037 here.\nThe errata and workaround is applicable only to AM65x SR 1.0 and\nlater versions of the silicon will have this fixed.\n[1] -> https://www.ti.com/lit/er/sprz452i/sprz452i.pdf"], "name": "CVE-2024-47667", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"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": "2024-10-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-47667\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-47667\nhttps://lore.kernel.org/linux-cve-announce/2024100905-CVE-2024-47667-2d01@gregkh/T"], "threat_severity": "Moderate"}

{}