CVE-2025-39771

{"id": "CVE-2025-39771", "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": "6157e62b07d9331cc1d4d9d525dab33d45b0e83c", "lessThan": "7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7", "versionType": "git"}, {"status": "affected", "version": "6157e62b07d9331cc1d4d9d525dab33d45b0e83c", "lessThan": "447be50598c05499f7ccc2b1f6ddb3da30f8099a", "versionType": "git"}], "programFiles": ["drivers/regulator/pca9450-regulator.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.16"}, {"status": "unaffected", "version": "0", "lessThan": "6.16", "versionType": "semver"}, {"status": "unaffected", "version": "6.16.4", "versionType": "semver", "lessThanOrEqual": "6.16.*"}, {"status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/regulator/pca9450-regulator.c"], "defaultStatus": "affected"}]}], "published": "2025-09-11T17:15:42.683", "references": [{"url": "https://git.kernel.org/stable/c/447be50598c05499f7ccc2b1f6ddb3da30f8099a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7a8c8aa0b0b2c62a0232bf868def85f3069ba7a7", "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\nregulator: pca9450: Use devm_register_sys_off_handler\n\nWith module test, there is error dump:\n------------[ cut here ]------------\n notifier callback pca9450_i2c_restart_handler already registered\n WARNING: kernel/notifier.c:23 at notifier_chain_register+0x5c/0x88,\n CPU#0: kworker/u16:3/50\n Call trace:\n notifier_chain_register+0x5c/0x88 (P)\n atomic_notifier_chain_register+0x30/0x58\n register_restart_handler+0x1c/0x28\n pca9450_i2c_probe+0x418/0x538\n i2c_device_probe+0x220/0x3d0\n really_probe+0x114/0x410\n __driver_probe_device+0xa0/0x150\n driver_probe_device+0x40/0x114\n __device_attach_driver+0xd4/0x12c\n\nSo use devm_register_sys_off_handler to let kernel handle the resource\nfree to avoid kernel dump."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nregulator: pca9450: Usar devm_register_sys_off_handler\n\nCon la prueba del m\u00f3dulo, hay un volcado de error:\n------------[ cortar aqu\u00ed ]------------\n callback del notificador pca9450_i2c_restart_handler ya registrado\n ADVERTENCIA: kernel/notifier.c:23 en notifier_chain_register+0x5c/0x88,\n CPU#0: kworker/u16:3/50\n Traza de la llamada:\n notifier_chain_register+0x5c/0x88 (P)\n atomic_notifier_chain_register+0x30/0x58\n register_restart_handler+0x1c/0x28\n pca9450_i2c_probe+0x418/0x538\n i2c_device_probe+0x220/0x3d0\n really_probe+0x114/0x410\n __driver_probe_device+0xa0/0x150\n driver_probe_device+0x40/0x114\n __device_attach_driver+0xd4/0x12c\n\nAs\u00ed que use devm_register_sys_off_handler para permitir que el kernel maneje la liberaci\u00f3n de recursos para evitar el volcado del kernel."}], "lastModified": "2026-10-19T21:10:00.160", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "26A22BE8-0D22-4155-AED4-BB823BB934AB", "versionEndExcluding": "6.16.4", "versionStartIncluding": "6.16"}, {"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"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}