CVE-2025-21831

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When the system is\nsuspended if the port is not power manageable by the platform and won't be\nused for wakeup via a PME this sets up the policy for these ports to go\ninto D3hot.\n\nThis policy generally makes sense from an OSPM perspective but it leads to\nproblems with wakeup from suspend on the TUXEDO Sirius 16 Gen 1 with a\nspecific old BIOS. This manifests as a system hang.\n\nOn the affected Device + BIOS combination, add a quirk for the root port of\nthe problematic controller to ensure that these root ports are not put into\nD3hot at suspend.\n\nThis patch is based on\n\n https://lore.kernel.org/linux-pci/20230708214457.1229-2-mario.limonciello@amd.com\n\nbut with the added condition both in the documentation and in the code to\napply only to the TUXEDO Sirius 16 Gen 1 with a specific old BIOS and only\nthe affected root ports."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI: evitar poner algunos puertos ra\u00edz en D3 en TUXEDO Sirius Gen1 commit 9d26d3a8f1b0 (\"PCI: poner puertos PCIe en D3 durante la suspensi\u00f3n\") establece la pol\u00edtica de que todos los puertos PCIe pueden usar D3. Cuando el sistema est\u00e1 suspendido, si la plataforma no puede administrar la energ\u00eda del puerto y no se usar\u00e1 para la activaci\u00f3n a trav\u00e9s de un PME, esto configura la pol\u00edtica para que estos puertos entren en D3hot. Esta pol\u00edtica generalmente tiene sentido desde una perspectiva OSPM, pero genera problemas con la activaci\u00f3n desde la suspensi\u00f3n en TUXEDO Sirius 16 Gen 1 con un BIOS antiguo espec\u00edfico. Esto se manifiesta como un bloqueo del sistema. En la combinaci\u00f3n de dispositivo + BIOS afectada, agregue una peculiaridad para el puerto ra\u00edz del controlador problem\u00e1tico para garantizar que estos puertos ra\u00edz no se coloquen en D3hot en la suspensi\u00f3n. Este parche est\u00e1 basado en https://lore.kernel.org/linux-pci/20230708214457.1229-2-mario.limonciello@amd.com pero con la condici\u00f3n adicional tanto en la documentaci\u00f3n como en el c\u00f3digo de aplicarse solo a TUXEDO Sirius 16 Gen 1 con un BIOS antiguo espec\u00edfico y solo los puertos ra\u00edz afectados."}], "id": "CVE-2025-21831", "lastModified": "2026-11-05T21:17:43.697", "metrics": {"cvssMetricV31": [{"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-2025-21831", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:35:39.862562Z", "version": "2.0.3"}}]}, "published": "2025-03-06T17:15:23.060", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5ee3dd6e59b834e4d66e8b16fc684749ee40a257"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8852e056e297df1d8635ee7504e780d3184e45d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a78dfe50fffe6058afed2bb04c50c2c9a16664ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b1049f2d68693c80a576c4578d96774a68df2bad"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff1cc51313ebe2f17530fcce0fb908cfcbbf38e5"}], "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: Avoid putting some root ports into D3 on TUXEDO Sirius Gen1", "id": "2350385", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2350385"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nPCI: Avoid putting some root ports into D3 on TUXEDO Sirius Gen1\ncommit 9d26d3a8f1b0 (\"PCI: Put PCIe ports into D3 during suspend\") sets the\npolicy that all PCIe ports are allowed to use D3. When the system is\nsuspended if the port is not power manageable by the platform and won't be\nused for wakeup via a PME this sets up the policy for these ports to go\ninto D3hot.\nThis policy generally makes sense from an OSPM perspective but it leads to\nproblems with wakeup from suspend on the TUXEDO Sirius 16 Gen 1 with a\nspecific old BIOS. This manifests as a system hang.\nOn the affected Device + BIOS combination, add a quirk for the root port of\nthe problematic controller to ensure that these root ports are not put into\nD3hot at suspend.\nThis patch is based on\nhttps://lore.kernel.org/linux-pci/20230708214457.1229-2-mario.limonciello@amd.com\nbut with the added condition both in the documentation and in the code to\napply only to the TUXEDO Sirius 16 Gen 1 with a specific old BIOS and only\nthe affected root ports."], "name": "CVE-2025-21831", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21831\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21831\nhttps://lore.kernel.org/linux-cve-announce/2025030634-CVE-2025-21831-3ada@gregkh/T"], "threat_severity": "Low"}

{}