CVE-2020-12657

{"id": "CVE-2020-12657", "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": "2020-05-05T07:15:10.993", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html", "source": "cve@mitre.org"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.5", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://patchwork.kernel.org/patch/11447049/", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20200608-0001/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4363-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4367-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4368-1/", "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4369-1/", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.5", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://patchwork.kernel.org/patch/11447049/", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20200608-0001/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4363-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4367-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4368-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4369-1/", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body."}, {"lang": "es", "value": "Se detect\u00f3 un problema en el kernel de Linux versiones anteriores a 5.6.5. Se presenta un uso de la memoria previamente liberada en el archivo block/bfq-iosched.c relacionado con la funci\u00f3n bfq_idle_slice_timer_body."}], "lastModified": "2024-11-21T05:00:00.433", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74C74C8C-8070-4FB7-8E86-26641C4EE4FF", "versionEndExcluding": "5.6.5"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}