CVE-2023-52748

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The first \"%u\" can up\nto 4 and the second \"%u\" can up to 7, so total size is \"24 + 4 + 7 = 35\".\nslab_name's size should be 35 rather than 32."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T08:24:56.903Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52748", "state": "PUBLISHED", "dateUpdated": "2024-12-19T08:24:56.903Z", "dateReserved": "2024-05-21T15:19:24.234Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-21T15:30:38.229Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

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The first \"%u\" can up\nto 4 and the second \"%u\" can up to 7, so total size is \"24 + 4 + 7 = 35\".\nslab_name's size should be 35 rather than 32."}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: f2fs: evitar aviso de desbordamiento de formato. Con la opci\u00f3n gcc y W=1, aparece un aviso como este: fs/f2fs/compress.c: En la funci\u00f3n 'f2fs_init_page_array_cache': fs/f2fs /compress.c:1984:47: error: directiva '%u' escribiendo entre 1 y 7 bytes en una regi\u00f3n de tama\u00f1o entre 5 y 8 [-Werror=format-overflow=] 1984 | sprintf(slab_name, \"f2fs_page_array_entry-%u:%u\", MAJOR(dev), MINOR(dev)); | ^~ La cadena \"f2fs_page_array_entry-%u:%u\" puede tener hasta 35. El primer \"%u\" puede tener hasta 4 y el segundo \"%u\" puede hasta 7, por lo que el tama\u00f1o total es \"24 + 4 + 7 = 35\". El tama\u00f1o de slab_name debe ser 35 en lugar de 32."}], "id": "CVE-2023-52748", "lastModified": "2026-06-17T06:43:29.597", "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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52748", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T15:37:22.209174Z", "version": "2.0.3"}}]}, "published": "2024-05-21T16:15:14.517", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3eebe636cac53886bd5d1cdd55e082ec9e84983f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/526dd7540a09ecf87b5f54f3ab4e0a2528f25a79"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6fca08fd3085253b48fcb1bd243a0a5e18821a00"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c041f5ddef00c731c541e00bc8ae97b8c84c682f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e0d4e8acb3789c5a8651061fbab62ca24a45c063"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e4088d7d8f1123006d46a42edf51b8c960a58ef9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3eebe636cac53886bd5d1cdd55e082ec9e84983f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/526dd7540a09ecf87b5f54f3ab4e0a2528f25a79"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6fca08fd3085253b48fcb1bd243a0a5e18821a00"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c041f5ddef00c731c541e00bc8ae97b8c84c682f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e0d4e8acb3789c5a8651061fbab62ca24a45c063"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e4088d7d8f1123006d46a42edf51b8c960a58ef9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: f2fs: avoid format-overflow warning", "id": "2282633", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282633"}, "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-121", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nf2fs: avoid format-overflow warning\nWith gcc and W=1 option, there's a warning like this:\nfs/f2fs/compress.c: In function \u2018f2fs_init_page_array_cache\u2019:\nfs/f2fs/compress.c:1984:47: error: \u2018%u\u2019 directive writing between\n1 and 7 bytes into a region of size between 5 and 8\n[-Werror=format-overflow=]\n1984 | sprintf(slab_name, \"f2fs_page_array_entry-%u:%u\", MAJOR(dev),\nMINOR(dev));\n| ^~\nString \"f2fs_page_array_entry-%u:%u\" can up to 35. The first \"%u\" can up\nto 4 and the second \"%u\" can up to 7, so total size is \"24 + 4 + 7 = 35\".\nslab_name's size should be 35 rather than 32."], "name": "CVE-2023-52748", "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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not 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-2023-52748\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52748\nhttps://lore.kernel.org/linux-cve-announce/2024052143-CVE-2023-52748-577d@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-13T11:14:53.820540+00:00", "updated": "2025-07-13T11:14:53.820602+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}