CVE-2024-48876

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{}

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However, it still\nwould try to take the pool_lock in an attempt to save a stack trace in the\ncurrent pool (if space is available).\n\nThis could result in deadlock if an NMI is handled while pool_lock is\nalready held. To avoid deadlock, only try to take the lock in NMI context\nand give up if unsuccessful.\n\nThe documentation is fixed to clearly convey this."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: stackdepot: se corrige stack_depot_save_flags() en el contexto NMI Seg\u00fan la documentaci\u00f3n, se supon\u00eda que stack_depot_save_flags() se pod\u00eda usar desde el contexto NMI si STACK_DEPOT_FLAG_CAN_ALLOC no est\u00e1 configurado. Sin embargo, a\u00fan intentar\u00eda tomar el pool_lock en un intento de guardar un seguimiento de pila en el pool actual (si hay espacio disponible). Esto podr\u00eda resultar en un bloqueo si se gestiona un NMI mientras pool_lock ya est\u00e1 retenido. Para evitar el bloqueo, solo intente tomar el bloqueo en el contexto NMI y abandone si no tiene \u00e9xito. La documentaci\u00f3n se corrige para transmitir esto claramente."}], "id": "CVE-2024-48876", "lastModified": "2026-06-17T07:58:57.167", "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": "2025-01-11T13:15:23.263", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/031e04bdc834cda3b054ef6b698503b2b97e8186"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9bfeeeff2c92b9dd261198b601b45bde4c529841"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: stackdepot: fix stack_depot_save_flags() in NMI context", "id": "2337096", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2337096"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nstackdepot: fix stack_depot_save_flags() in NMI context\nPer documentation, stack_depot_save_flags() was meant to be usable from\nNMI context if STACK_DEPOT_FLAG_CAN_ALLOC is unset. However, it still\nwould try to take the pool_lock in an attempt to save a stack trace in the\ncurrent pool (if space is available).\nThis could result in deadlock if an NMI is handled while pool_lock is\nalready held. To avoid deadlock, only try to take the lock in NMI context\nand give up if unsuccessful.\nThe documentation is fixed to clearly convey this."], "name": "CVE-2024-48876", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Will not fix", "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-01-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-48876\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-48876\nhttps://lore.kernel.org/linux-cve-announce/2025011121-CVE-2024-48876-da61@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T15:42:22.647894+00:00", "updated": "2025-07-12T15:42:22.647955+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}