CVE-2020-10774

{"containers": {"cna": {"affected": [{"product": "kernel", "vendor": "n/a", "versions": [{"status": "affected", "version": "kernel-4.18.0-193.el8"}]}], "descriptions": [{"lang": "en", "value": "A memory disclosure flaw was found in the Linux kernel's versions before 4.18.0-193.el8 in the sysctl subsystem when reading the /proc/sys/kernel/rh_features file. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-805", "description": "CWE-805", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-05-27T18:46:18.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1846964"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2020-10774", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "kernel", "version": {"version_data": [{"version_value": "kernel-4.18.0-193.el8"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A memory disclosure flaw was found in the Linux kernel's versions before 4.18.0-193.el8 in the sysctl subsystem when reading the /proc/sys/kernel/rh_features file. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-805"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1846964", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1846964"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T11:14:15.551Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1846964"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2020-10774", "datePublished": "2021-05-27T18:46:18.000Z", "dateReserved": "2020-03-20T00:00:00.000Z", "dateUpdated": "2024-08-04T11:14:15.551Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "kernel", "vendor": "n/a", "versions": [{"status": "affected", "version": "kernel-4.18.0-193.el8"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2508F59A-247D-48B5-8D2D-BF7499E8D8CB", "versionEndExcluding": "4.18.0-193.el8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A memory disclosure flaw was found in the Linux kernel's versions before 4.18.0-193.el8 in the sysctl subsystem when reading the /proc/sys/kernel/rh_features file. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo de divulgaci\u00f3n de memoria en el kernel de Linux versiones anteriores a 4.18.0-193.el8 en el subsistema sysctl al leer el archivo /proc/sys/kernel/rh_features. Este fallo permite a un usuario local leer valores no inicializados de la memoria del kernel. La mayor amenaza de esta vulnerabilidad es la confidencialidad"}], "id": "CVE-2020-10774", "lastModified": "2026-06-17T02:48:25.083", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-27T19:15:07.917", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1846964"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1846964"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-805"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2020:4609", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-240.rt7.54.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}, {"advisory": "RHSA-2020:4431", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-240.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}], "bugzilla": {"description": "kernel: possibility of memory disclosure when reading the file /proc/sys/kernel/rh_features", "id": "1846964", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1846964"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-909", "details": ["A memory disclosure flaw was found in the Linux kernel's versions before 4.18.0-193.el8 in the sysctl subsystem when reading the /proc/sys/kernel/rh_features file. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality.", "A flaw memory disclosure flaw was found in the Linux kernel\u2019s sysctl subsystem in reading the /proc/sys/kernel/rh_features file. This flaw allows a local user to read uninitialized values from the kernel memory. The highest threat from this vulnerability is to confidentiality."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2020-10774", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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-alt", "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": "2020-06-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-10774\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10774"], "statement": "This issue is rated as having Low impact because of the limited and random (non-controllable by attacker) memory disclosure.", "threat_severity": "Low"}

{}