CVE-2020-11725

{"id": "CVE-2020-11725", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"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}]}, "published": "2020-04-12T22:15:11.900", "references": [{"url": "https://github.com/torvalds/linux/blob/3b2549a3740efb8af0150415737067d87e466c5b/sound/core/control.c#L1434-L1474", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lore.kernel.org/alsa-devel/s5h4ktmlfpx.wl-tiwai%40suse.de/", "source": "cve@mitre.org"}, {"url": "https://twitter.com/yabbadabbadrew/status/1248632267028582400", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/blob/3b2549a3740efb8af0150415737067d87e466c5b/sound/core/control.c#L1434-L1474", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lore.kernel.org/alsa-devel/s5h4ktmlfpx.wl-tiwai%40suse.de/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://twitter.com/yabbadabbadrew/status/1248632267028582400", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "snd_ctl_elem_add in sound/core/control.c in the Linux kernel through 5.6.3 has a count=info->owner line, which later affects a private_size*count multiplication for unspecified \"interesting side effects.\" NOTE: kernel engineers dispute this finding, because it could be relevant only if new callers were added that were unfamiliar with the misuse of the info->owner field to represent data unrelated to the \"owner\" concept. The existing callers, SNDRV_CTL_IOCTL_ELEM_ADD and SNDRV_CTL_IOCTL_ELEM_REPLACE, have been designed to misuse the info->owner field in a safe way"}, {"lang": "es", "value": "** EN DISPUTA ** La funci\u00f3n snd_ctl_elem_add en el archivo sound/core/control.c en el kernel de Linux versiones hasta 5.6.3, presenta un error de tipograf\u00eda de count=info-)owner, que se maneja inapropiadamente en la multiplicaci\u00f3n private_size*count. NOTA: los ingenieros de kernel disputan este hallazgo, porque podr\u00eda ser relevante s\u00f3lo si se agregaran nuevos llamadores que no estuvieran familiarizados con el mal uso del campo info->owner para representar datos no relacionados con el concepto de \"owner\". Los llamadores existentes, SNDRV_CTL_IOCTL_ELEM_ADD y SNDRV_CTL_IOCTL_ELEM_REPLACE, han sido dise\u00f1ados para usar indebidamente el campo info->owner de una manera segura."}], "lastModified": "2024-11-21T04:58:29.453", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "85944226-53BE-401C-BF72-63F1727A3A9F", "versionEndIncluding": "5.6.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}