CVE-2023-53684

{"id": "CVE-2023-53684", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-53684", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-05T20:27:13.093049Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "c7a5899eb26e2a4d516d53f65b6dd67be2228041", "lessThan": "0725daaa9a879388ed312110f62dbd5ea2d75f8f", "versionType": "git"}, {"status": "affected", "version": "c7a5899eb26e2a4d516d53f65b6dd67be2228041", "lessThan": "5218af4ad5d8948faac19f71583bcd786c3852df", "versionType": "git"}, {"status": "affected", "version": "c7a5899eb26e2a4d516d53f65b6dd67be2228041", "lessThan": "1a351e26cc010d6991fbbd5701ac16581372e26f", "versionType": "git"}, {"status": "affected", "version": "c7a5899eb26e2a4d516d53f65b6dd67be2228041", "lessThan": "8222d5910dae08213b6d9d4bc9a7f8502855e624", "versionType": "git"}], "programFiles": ["net/xfrm/xfrm_user.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.11"}, {"status": "unaffected", "version": "0", "lessThan": "5.11", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.106", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.23", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.2.10", "versionType": "semver", "lessThanOrEqual": "6.2.*"}, {"status": "unaffected", "version": "6.3", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/xfrm/xfrm_user.c"], "defaultStatus": "affected"}]}], "published": "2025-10-07T16:15:52.653", "references": [{"url": "https://git.kernel.org/stable/c/0725daaa9a879388ed312110f62dbd5ea2d75f8f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1a351e26cc010d6991fbbd5701ac16581372e26f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5218af4ad5d8948faac19f71583bcd786c3852df", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8222d5910dae08213b6d9d4bc9a7f8502855e624", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: Zero padding when dumping algos and encap\n\nWhen copying data to user-space we should ensure that only valid\ndata is copied over. Padding in structures may be filled with\nrandom (possibly sensitve) data and should never be given directly\nto user-space.\n\nThis patch fixes the copying of xfrm algorithms and the encap\ntemplate in xfrm_user so that padding is zeroed."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nxfrm: Rellenar con ceros el padding al volcar algos y encap\n\nAl copiar datos al espacio de usuario, debemos asegurar que solo se copien datos v\u00e1lidos. El padding en las estructuras puede estar lleno de datos aleatorios (posiblemente sensibles) y nunca debe entregarse directamente al espacio de usuario.\n\nEste parche corrige la copia de algoritmos xfrm y la plantilla encap en xfrm_user para que el padding se rellene con ceros."}], "lastModified": "2026-11-05T21:17:32.113", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "46A62903-B927-42D9-88F8-7F39EC9BC23B", "versionEndExcluding": "5.15.106", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6396026-EF6B-4933-AF27-B3AFE6E5506D", "versionEndExcluding": "6.1.23", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5178A008-E2D6-4093-BCD4-8A80523EE39E", "versionEndExcluding": "6.2.10", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8E3B0E8-FA27-4305-87BB-AF6C25B160CB"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A47F0FC3-CE52-4BA1-BA51-22F783938431"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}