CVE-2020-10720

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{"affected": [{"affectedData": [{"product": "Kernel", "vendor": "n/a", "versions": [{"status": "affected", "version": "Kernel versions before 5.2"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D045CBEB-1802-47E4-AEDB-310B5DF2E8AA", "versionEndExcluding": "5.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel's implementation of GRO in versions before 5.2. This flaw allows an attacker with local access to crash the system."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en la implementaci\u00f3n de GRO del kernel de Linux en versiones anteriores a 5.2. Este fallo permite a un atacante con acceso local bloquear el sistema"}], "id": "CVE-2020-10720", "lastModified": "2026-06-17T02:48:18.993", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-03T18:15:12.333", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1781204"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4270d6795b0580287453ea55974d948393e66ef"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1781204"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4270d6795b0580287453ea55974d948393e66ef"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:2854", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-alt-0:4.14.0-115.26.1.el7a", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-07-07T00:00:00Z"}, {"advisory": "RHSA-2019:3309", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-147.rt24.93.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-11-05T00:00:00Z"}, {"advisory": "RHSA-2019:3517", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-147.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-11-05T00:00:00Z"}], "bugzilla": {"description": "kernel: use-after-free read in napi_gro_frags() in the Linux kernel", "id": "1781204", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1781204"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A flaw was found in the Linux kernel's implementation of GRO in versions before 5.2. This flaw allows an attacker with local access to crash the system.", "A flaw was found in the Linux kernel\u2019s implementation of GRO. This flaw allows an attacker with local access to crash the system."], "mitigation": {"lang": "en:us", "value": "Disabling GSO on the cards using ethtool will prevent this codepath from being taken."}, "name": "CVE-2020-10720", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2019-12-09T14:23:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-10720\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10720\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4270d6795b0580287453ea55974d948393e66ef"], "statement": "This issue is rated as having Moderate impact because it appears to be limited to only to a crash.", "threat_severity": "Moderate"}

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