CVE-2025-38094

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[{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cadence: macb: Fix a possible deadlock in macb_halt_tx.\n\nThere is a situation where after THALT is set high, TGO stays high as\nwell. Because jiffies are never updated, as we are in a context with\ninterrupts disabled, we never exit that loop and have a deadlock.\n\nThat deadlock was noticed on a sama5d4 device that stayed locked for days.\n\nUse retries instead of jiffies so that the timeout really works and we do\nnot have a deadlock anymore."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: cadence: macb: Se corrige un posible interbloqueo en macb_halt_tx. Existe una situaci\u00f3n en la que, tras establecerse un valor alto en THALT, TGO tambi\u00e9n permanece alto. Dado que los jiffies nunca se actualizan, al estar en un contexto con las interrupciones deshabilitadas, nunca salimos de ese bucle y se produce un interbloqueo. Este interbloqueo se detect\u00f3 en un dispositivo sama5d4 que permaneci\u00f3 bloqueado durante d\u00edas. Se recomienda usar reintentos en lugar de jiffies para que el tiempo de espera funcione correctamente y se elimine el interbloqueo."}], "id": "CVE-2025-38094", "lastModified": "2026-06-17T09:16:02.530", "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"}]}, "published": "2025-07-03T08:15:25.490", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0772a608d799ac0d127c0a36047a2725777aba9d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1d60c0781c1bbeaa1196b0d8aad5c435f06cb7c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e64d35475aa21d13dab71da51de51923c1a3a48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/64675a9c00443b2e8af42af08c38fc1b78b68ba2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84f98955a9de0e0f591df85aa1a44f3ebcf1cb37"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aace6b63892ce8307e502a60fe2f5a4bc6e1cfe7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c92d6089d8ad7d4d815ebcedee3f3907b539ff1f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: cadence: macb: Fix a possible deadlock in macb_halt_tx.", "id": "2376027", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376027"}, "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:\nnet: cadence: macb: Fix a possible deadlock in macb_halt_tx.\nThere is a situation where after THALT is set high, TGO stays high as\nwell. Because jiffies are never updated, as we are in a context with\ninterrupts disabled, we never exit that loop and have a deadlock.\nThat deadlock was noticed on a sama5d4 device that stayed locked for days.\nUse retries instead of jiffies so that the timeout really works and we do\nnot have a deadlock anymore."], "name": "CVE-2025-38094", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2025-07-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38094\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38094\nhttps://lore.kernel.org/linux-cve-announce/2025070324-CVE-2025-38094-1b5c@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-06T22:16:20.773202+00:00", "updated": "2025-07-06T22:16:20.773256+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}