CVE-2020-29534

{"id": "CVE-2020-29534", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "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": "2020-12-03T20:15:11.947", "references": [{"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2089", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.3", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f2122045b946241a9e549c2a76cea54fa58a7ff", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2089", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.3", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f2122045b946241a9e549c2a76cea54fa58a7ff", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94."}, {"lang": "es", "value": "Se detect\u00f3 un problema en el kernel de Linux versiones anteriores a 5.9.3, io_uring toma una referencia non-refcounted al files_struct del proceso que envi\u00f3 una petici\u00f3n, causando que la funci\u00f3n execve() optimice incorrectamente la funci\u00f3n unshare_fd(), tambi\u00e9n se conoce como CID-0f2122045b94"}], "lastModified": "2024-11-21T05:24:09.480", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "174CDCDD-F2CB-4BB5-8B6E-995AB530D834", "versionEndExcluding": "5.8.18", "versionStartIncluding": "5.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C3A40FCF-3E31-4750-9F29-AC10A7A87A73", "versionEndExcluding": "5.9.3", "versionStartIncluding": "5.9.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.10:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9DD7EB1D-064C-4DB9-AD34-D8EF78312C17"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}