CVE-2023-53044

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alloc_precpu()'s return value and return an error from\ndm_stats_init() if it fails. Update alloc_dev() to fail if\ndm_stats_init() does.\n\nOtherwise, a NULL pointer dereference will occur in dm_stats_cleanup()\neven if dm-stats isn't being actively used."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dm stats: comprobar y propagar el fallo de alloc_percpu. Comprueba el valor de retorno de alloc_precpu() y devuelve un error de dm_stats_init() si falla. Actualice alloc_dev() para que falle si dm_stats_init() falla. De lo contrario, se producir\u00e1 una desreferencia de puntero nulo en dm_stats_cleanup(), incluso si dm-stats no se est\u00e1 utilizando activamente."}], "id": "CVE-2023-53044", "lastModified": "2026-11-05T21:17:08.650", "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-2023-53044", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:15:17.886519Z", "version": "2.0.3"}}]}, "published": "2025-05-02T16:15:23.490", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0d96bd507ed7e7d565b6d53ebd3874686f123b2e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2287d7b721471a3d58bcd829250336e3cdf1635e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/443c9d522397511a4328dc2ec3c9c63c73049756"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a32a9a818a895671bd43e0c40351e60e4e9140b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5b66e36a3efd24041b7374432bfa4dec2ff01e95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a42180dd361584816bfe15c137b665699b994d90"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c68f08cc745675a17894e1b4a5b5b9700ace6da4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d3aa3e060c4a80827eb801fc448debc9daa7c46b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: dm stats: check for and propagate alloc_percpu failure", "id": "2363735", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363735"}, "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:\ndm stats: check for and propagate alloc_percpu failure\nCheck alloc_precpu()'s return value and return an error from\ndm_stats_init() if it fails. Update alloc_dev() to fail if\ndm_stats_init() does.\nOtherwise, a NULL pointer dereference will occur in dm_stats_cleanup()\neven if dm-stats isn't being actively used."], "name": "CVE-2023-53044", "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": "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": "2025-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53044\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53044\nhttps://lore.kernel.org/linux-cve-announce/2025050203-CVE-2023-53044-2d25@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T22:15:51.206911+00:00", "updated": "2025-07-12T22:15:51.206965+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}