CVE-2025-39954

{"id": "CVE-2025-39954", "cveTags": [], "metrics": {"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": "45717804b75eda8a76eacc04509ca4d68dd2caaf", "lessThan": "40108f69c372af3aea73e7829d6849a44638d662", "versionType": "git"}, {"status": "affected", "version": "45717804b75eda8a76eacc04509ca4d68dd2caaf", "lessThan": "25fbbaf515acd13399589bd5ee6de5f35740cef2", "versionType": "git"}], "programFiles": ["drivers/clk/sunxi-ng/ccu_mp.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"status": "unaffected", "version": "0", "lessThan": "6.15", "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": ["drivers/clk/sunxi-ng/ccu_mp.c"], "defaultStatus": "affected"}]}], "published": "2025-10-09T10:15:31.690", "references": [{"url": "https://git.kernel.org/stable/c/25fbbaf515acd13399589bd5ee6de5f35740cef2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/40108f69c372af3aea73e7829d6849a44638d662", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-369"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: sunxi-ng: mp: Fix dual-divider clock rate readback\n\nWhen dual-divider clock support was introduced, the P divider offset was\nleft out of the .recalc_rate readback function. This causes the clock\nrate to become bogus or even zero (possibly due to the P divider being\n1, leading to a divide-by-zero).\n\nFix this by incorporating the P divider offset into the calculation."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nclk: sunxi-ng: mp: Correcci\u00f3n de la lectura de la frecuencia del reloj de doble divisor\n\nCuando se introdujo el soporte para el reloj de doble divisor, el desplazamiento del divisor P se omiti\u00f3 de la funci\u00f3n de lectura .recalc_rate. Esto provoca que la frecuencia del reloj sea err\u00f3nea o incluso cero (posiblemente debido a que el divisor P es 1, lo que lleva a una divisi\u00f3n por cero).\n\nCorrija esto incorporando el desplazamiento del divisor P en el c\u00e1lculo."}], "lastModified": "2026-10-19T21:10:00.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8222621E-C594-44E8-995D-65FF1817EDA5", "versionEndExcluding": "6.16.9", "versionStartIncluding": "6.15"}, {"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"}