CVE-2025-39935

{"id": "CVE-2025-39935", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "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": "576c57e6b4c1d734bcb7cc33dde9a99a9383b520", "lessThan": "cd59ca8f75dbb42a67fcae975c766114644e36c4", "versionType": "git"}, {"status": "affected", "version": "576c57e6b4c1d734bcb7cc33dde9a99a9383b520", "lessThan": "78338108b5a856dc98223a335f147846a8a18c51", "versionType": "git"}], "programFiles": ["sound/soc/codecs/sma1307.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.13"}, {"status": "unaffected", "version": "0", "lessThan": "6.13", "versionType": "semver"}, {"status": "unaffected", "version": "6.16.9", "versionType": "semver", "lessThanOrEqual": "6.16.*"}, {"status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["sound/soc/codecs/sma1307.c"], "defaultStatus": "affected"}]}], "published": "2025-10-04T08:15:46.333", "references": [{"url": "https://git.kernel.org/stable/c/78338108b5a856dc98223a335f147846a8a18c51", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cd59ca8f75dbb42a67fcae975c766114644e36c4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: codec: sma1307: Fix memory corruption in sma1307_setting_loaded()\n\nThe sma1307->set.header_size is how many integers are in the header\n(there are 8 of them) but instead of allocating space of 8 integers\nwe allocate 8 bytes. This leads to memory corruption when we copy data\nit on the next line:\n\n memcpy(sma1307->set.header, data,\n sma1307->set.header_size * sizeof(int));\n\nAlso since we're immediately copying over the memory in ->set.header,\nthere is no need to zero it in the allocator. Use devm_kmalloc_array()\nto allocate the memory instead."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nASoC: codec: sma1307: Correcci\u00f3n de corrupci\u00f3n de memoria en sma1307_setting_loaded()\n\nEl sma1307->set.header_size es la cantidad de enteros que hay en la cabecera (hay 8 de ellos), pero en lugar de asignar espacio para 8 enteros, asignamos 8 bytes. Esto lleva a corrupci\u00f3n de memoria cuando copiamos datos en la siguiente l\u00ednea:\n\n memcpy(sma1307->set.header, data,\n sma1307->set.header_size * sizeof(int));\n\nAdem\u00e1s, dado que estamos copiando inmediatamente la memoria en ->set.header, no hay necesidad de ponerla a cero en el asignador. Use devm_kmalloc_array() para asignar la memoria en su lugar."}], "lastModified": "2026-10-19T21:10:00.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "638DD910-1189-4F5E-98BF-2D436B695112", "versionEndExcluding": "6.16.9", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "340BEEA9-D70D-4290-B502-FBB1032353B1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "47E4C5C0-079F-4838-971B-8C503D48FCC2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A4516A6-C12E-42A4-8C0E-68AEF3264504"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}