CVE-2023-52664

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The double-free is reached only through local netdev open/close paths (ndo_open \u2192 aq_nic_init \u2192 aq_vec_ring_alloc/aq_ptp_ring_alloc, ethtool ringparam, feature/XDP restarts, suspend/resume), not via processing of remotely received packets.\nAC:L - A local attacker can reliably induce the required GFP_KERNEL/dma_alloc_coherent failure with memory pressure (as in the reported stress+ifconfig reproducer) and repeatedly drive interface reinit, so success does not depend on conditions outside attacker control.\nPR:L - Triggering ifup/ethtool needs CAP_NET_ADMIN checked via ns_capable(net->user_ns), which is Low for an atlantic device/VF in a tenant netns; alternatively an unprivileged user can supply the memory-pressure half while ordinary admin reopen activity hits the path.\nUI:N - The attacker induces memory pressure and/or issues the interface reconfiguration themselves; no separate victim action is required for the faulty cleanup to run.\nS:U - Impact is confined to host-kernel slab/DMA state under a single security authority; the defect does not cross a VM, IOMMU, or sandbox boundary.\nC:H - 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The double-free is reached only through local netdev open/close paths (ndo_open \u2192 aq_nic_init \u2192 aq_vec_ring_alloc/aq_ptp_ring_alloc, ethtool ringparam, feature/XDP restarts, suspend/resume), not via processing of remotely received packets.\nAC:L - A local attacker can reliably induce the required GFP_KERNEL/dma_alloc_coherent failure with memory pressure (as in the reported stress+ifconfig reproducer) and repeatedly drive interface reinit, so success does not depend on conditions outside attacker control.\nPR:L - Triggering ifup/ethtool needs CAP_NET_ADMIN checked via ns_capable(net->user_ns), which is Low for an atlantic device/VF in a tenant netns; alternatively an unprivileged user can supply the memory-pressure half while ordinary admin reopen activity hits the path.\nUI:N - The attacker induces memory pressure and/or issues the interface reconfiguration themselves; no separate victim action is required for the faulty cleanup to run.\nS:U - Impact is confined to host-kernel slab/DMA state under a single security authority; the defect does not cross a VM, IOMMU, or sandbox boundary.\nC:H - 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Se utiliz\u00f3 un puntero de anillo como indicador de error, pero esto no es correcto ya que solo se asignan/desasignan datos de anillo. El anillo en s\u00ed es un miembro de la matriz. Cambiar las funciones de asignaci\u00f3n de anillos para devolver el c\u00f3digo de error directamente. Esto simplifica el manejo de errores y elimina aq_ring_free en la capa superior."}], "id": "CVE-2023-52664", "lastModified": "2026-08-04T10:18:36.933", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52664", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T15:42:18.912718Z", "version": "2.0.3"}}]}, "published": "2024-05-17T14:15:08.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0edb3ae8bfa31cd544b0c195bdec00e036002b5d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b3cb7a830a24527877b0bc900b9bd74a96aea928"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c11a870a73a3bc4cc7df6dd877a45b181795fcbf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d1fde4a7e1dcc4d49cce285107a7a43c3030878d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0edb3ae8bfa31cd544b0c195bdec00e036002b5d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b3cb7a830a24527877b0bc900b9bd74a96aea928"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c11a870a73a3bc4cc7df6dd877a45b181795fcbf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d1fde4a7e1dcc4d49cce285107a7a43c3030878d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: net: atlantic: eliminate double free in error handling logic", "id": "2281356", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281356"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: atlantic: eliminate double free in error handling logic\nDriver has a logic leak in ring data allocation/free,\nwhere aq_ring_free could be called multiple times on same ring,\nif system is under stress and got memory allocation error.\nRing pointer was used as an indicator of failure, but this is\nnot correct since only ring data is allocated/deallocated.\nRing itself is an array member.\nChanging ring allocation functions to return error code directly.\nThis simplifies error handling and eliminates aq_ring_free\non higher layer."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-52664", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52664\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52664\nhttps://lore.kernel.org/linux-cve-announce/2024051756-CVE-2023-52664-dea1@gregkh/T"], "threat_severity": "Moderate"}

{}