CVE-2021-46943

{"id": "CVE-2021-46943", "metrics": {"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": "2024-02-27T19:04:06.063", "references": [{"url": "https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-131"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: staging/intel-ipu3: Fix set_fmt error handling\n\nIf there in an error during a set_fmt, do not overwrite the previous\nsizes with the invalid config.\n\nWithout this patch, v4l2-compliance ends up allocating 4GiB of RAM and\ncausing the following OOPs\n\n[ 38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes)\n[ 38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0\n[ 38.663010] general protection fault: 0000 [#1] PREEMPT SMP"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: medios: staging/intel-ipu3: Corrija el manejo de errores set_fmt Si ocurre un error durante un set_fmt, no sobrescriba los tama\u00f1os anteriores con la configuraci\u00f3n no v\u00e1lida. Sin este parche, el cumplimiento de v4l2 termina asignando 4 GiB de RAM y provocando los siguientes OOP [38.662975] ipu3-imgu 0000:00:05.0: el b\u00fafer swiotlb est\u00e1 lleno (sz: 4096 bytes) [38.662980] DMA: Fuera de SW-IOMMU espacio para 4096 bytes en el dispositivo 0000:00:05.0 [38.663010] falla de protecci\u00f3n general: 0000 [#1] PREEMPT SMP"}], "lastModified": "2024-04-10T19:54:14.133", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5D320A21-D672-45FD-B78C-393AED970627", "versionEndExcluding": "5.4.118", "versionStartIncluding": "5.2.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C7148769-B830-4B8F-986F-E0C85A19FC7F", "versionEndExcluding": "5.10.36", "versionStartIncluding": "5.5.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EFB425F0-C28C-4B44-8B4C-AD512AA832DE", "versionEndExcluding": "5.11.20", "versionStartIncluding": "5.11.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C3814FA3-8141-4313-A852-8C4212BE12AD", "versionEndExcluding": "5.12.3", "versionStartIncluding": "5.12.0"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}