CVE-2022-50142

{"id": "CVE-2022-50142", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "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": "2025-06-18T11:15:44.187", "references": [{"url": "https://git.kernel.org/stable/c/0ed72c6bc632cbf8d979ac60f982ff84b7bb610a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4914c50670b6a531e2cb17cd984cc565b4681312", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/566887bad7ff2297d6b3f9659c702ba075f3d62d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ac12ad3ccf6d386e64a9d6a890595a2509d24edd", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b5d924cb4c7b952eaa61622f14427723a78137a3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nintel_th: msu: Fix vmalloced buffers\n\nAfter commit f5ff79fddf0e (\"dma-mapping: remove CONFIG_DMA_REMAP\") there's\na chance of DMA buffer getting allocated via vmalloc(), which messes up\nthe mmapping code:\n\n> RIP: msc_mmap_fault [intel_th_msu]\n> Call Trace:\n> <TASK>\n> __do_fault\n> do_fault\n...\n\nFix this by accounting for vmalloc possibility."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: intel_th: msu: Reparar b\u00faferes vmalloced Despu\u00e9s de el commit f5ff79fddf0e (\"dma-mapping: remove CONFIG_DMA_REMAP\") existe la posibilidad de que el buffer DMA se asigne a trav\u00e9s de vmalloc(), lo que arruina el c\u00f3digo mmapping: &gt; RIP: msc_mmap_fault [intel_th_msu] &gt; Rastreo de llamada: &gt; &gt; __do_fault &gt; do_fault ... Solucione esto teniendo en cuenta la posibilidad de vmalloc."}], "lastModified": "2025-11-19T13:29:01.230", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C918407-E556-45B3-AB2F-26F968D0BF3E", "versionEndExcluding": "5.4.211", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C2BF720F-C5EE-4DE2-9BDF-CE4CFBC767F4", "versionEndExcluding": "5.10.137", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51861563-7F40-460F-82CD-2D3FBDAD6618", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B42E453-8837-49D0-A5EF-03F818A6DC11", "versionEndExcluding": "5.18.18", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}