CVE-2023-52732

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And we shouldn't continue IOs and metadatas\naccess to MDS, which may corrupt or get incorrect contents.\n\nThis patch will just block all the further IO/MDS requests\nimmediately and then evict the kclient itself.\n\nThe reason why we still need to evict the kclient just after\nblocking all the further IOs is that the MDS could revoke the caps\nfaster."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ceph: lista de bloqueo del kclient cuando se recibe un seguimiento instant\u00e1neo corrupto. Cuando recibimos un seguimiento instant\u00e1neo corrupto, no sabemos qu\u00e9 ha sucedido exactamente en el lado MDS. Y no debemos continuar con el acceso de IO y metadatos a MDS, lo que puede da\u00f1ar u obtener contenidos incorrectos. Este parche simplemente bloquear\u00e1 todas las solicitudes IO/MDS adicionales inmediatamente y luego expulsar\u00e1 al propio kclient. La raz\u00f3n por la que todav\u00eda necesitamos desalojar al kclient justo despu\u00e9s de bloquear todas las IO adicionales es que el MDS podr\u00eda revocar los l\u00edmites m\u00e1s r\u00e1pido."}], "id": "CVE-2023-52732", "lastModified": "2026-08-04T10:18:38.937", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"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-2023-52732", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-05-21T17:31:40.303033Z", "version": "2.0.3"}}]}, "published": "2024-05-21T16:15:13.303", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/66ec619e4591f8350f99c5269a7ce160cccc7a7c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a68e564adcaa69b0930809fb64d9d5f7d9c32ba9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/66ec619e4591f8350f99c5269a7ce160cccc7a7c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a68e564adcaa69b0930809fb64d9d5f7d9c32ba9"}], "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: ceph: blocklist the kclient when receiving corrupted snap trace", "id": "2282621", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282621"}, "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"}, "cwe": "CWE-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nceph: blocklist the kclient when receiving corrupted snap trace\nWhen received corrupted snap trace we don't know what exactly has\nhappened in MDS side. And we shouldn't continue IOs and metadatas\naccess to MDS, which may corrupt or get incorrect contents.\nThis patch will just block all the further IO/MDS requests\nimmediately and then evict the kclient itself.\nThe reason why we still need to evict the kclient just after\nblocking all the further IOs is that the MDS could revoke the caps\nfaster."], "name": "CVE-2023-52732", "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": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52732\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52732\nhttps://lore.kernel.org/linux-cve-announce/2024052159-CVE-2023-52732-c783@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-12T22:44:29.257933+00:00", "updated": "2025-07-12T22:44:29.257985+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}