gsd-2019-3016
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2019-3016", "description": "In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.", "id": "GSD-2019-3016", "references": [ "https://www.suse.com/security/cve/CVE-2019-3016.html", "https://www.debian.org/security/2020/dsa-4699", "https://access.redhat.com/errata/RHSA-2020:3016", "https://access.redhat.com/errata/RHSA-2020:3010", "https://ubuntu.com/security/CVE-2019-3016", "https://advisories.mageia.org/CVE-2019-3016.html", "https://linux.oracle.com/cve/CVE-2019-3016.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-3016" ], "details": "In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.", "id": "GSD-2019-3016", "modified": "2023-12-13T01:24:04.554685Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert_us@oracle.com", "ID": "CVE-2019-3016", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "linux_kernel", "version": { "version_data": [ { "version_value": "4.10 to 5.6" } ] } } ] }, "vendor_name": "linux" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out." } ] }, "impact": { "cvss": [ [ { "vectorString": "6.2/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" } ] ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-362" } ] }, { "description": [ { "lang": "eng", "value": "CWE-200" } ] } ] }, "references": { "reference_data": [ { "name": "[oss-security] 20200130 CVE-2019-3016: information leak within a KVM guest", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2020/01/30/4" }, { "name": "https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini@redhat.com/", "refsource": "CONFIRM", "url": "https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini@redhat.com/" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1792167", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1792167" }, { "name": "https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e", "refsource": "CONFIRM", "url": "https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e" }, { "name": "https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7", "refsource": "CONFIRM", "url": "https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7" }, { "name": "https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589", "refsource": "CONFIRM", "url": "https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589" }, { "name": "https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796", "refsource": "CONFIRM", "url": "https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796" }, { "name": "https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e", "refsource": "CONFIRM", "url": "https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e" }, { "name": "https://security.netapp.com/advisory/ntap-20200313-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20200313-0003/" }, { "name": "USN-4300-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4300-1/" }, { "name": "USN-4301-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4301-1/" }, { "name": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html" }, { "name": "DSA-4699", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2020/dsa-4699" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:4.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "versionStartIncluding": "4.16", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "secalert_us@oracle.com", "ID": "CVE-2019-3016" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-362" } ] } ] }, "references": { "reference_data": [ { "name": "https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini@redhat.com/", "refsource": "CONFIRM", "tags": [ "Vendor Advisory" ], "url": "https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini@redhat.com/" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1792167", "refsource": "CONFIRM", "tags": [ "Issue Tracking", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1792167" }, { "name": "https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e", "refsource": "CONFIRM", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e" }, { "name": "https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589", "refsource": "CONFIRM", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589" }, { "name": "https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796", "refsource": "CONFIRM", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796" }, { "name": "[oss-security] 20200130 CVE-2019-3016: information leak within a KVM guest", "refsource": "MLIST", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://www.openwall.com/lists/oss-security/2020/01/30/4" }, { "name": "https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e", "refsource": "CONFIRM", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e" }, { "name": "https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7", "refsource": "CONFIRM", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7" }, { "name": "https://security.netapp.com/advisory/ntap-20200313-0003/", "refsource": "CONFIRM", "tags": [], "url": "https://security.netapp.com/advisory/ntap-20200313-0003/" }, { "name": "USN-4300-1", "refsource": "UBUNTU", "tags": [], "url": "https://usn.ubuntu.com/4300-1/" }, { "name": "USN-4301-1", "refsource": "UBUNTU", "tags": [], "url": "https://usn.ubuntu.com/4301-1/" }, { "name": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html", "refsource": "MISC", "tags": [], "url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html" }, { "name": "DSA-4699", "refsource": "DEBIAN", "tags": [], "url": "https://www.debian.org/security/2020/dsa-4699" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 1.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 3.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "LOW", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 1.0, "impactScore": 3.6 } }, "lastModifiedDate": "2020-06-10T20:15Z", "publishedDate": "2020-01-31T20:15Z" } } }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.