{"id":"CVE-2019-3016","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-3016","generatedAt":"2026-10-27T23:33:33.889Z","title":"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.","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.","published":"2020-01-31T20:15:11.000Z","lastModified":"2026-06-17T02:35:04.000Z","status":"Modified","sourceIdentifier":"secalert_us@oracle.com","cvss":{"version":"3.1","score":4.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-200","CWE-362"],"affected":["linux/linux kernel"],"epss":{"score":0.00619,"percentile":0.49355,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.62%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html","source":"secalert_us@oracle.com"},{"url":"http://www.openwall.com/lists/oss-security/2020/01/30/4","tags":["Mailing List","Third Party Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1792167","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/","source":"secalert_us@oracle.com"},{"url":"https://security.netapp.com/advisory/ntap-20200313-0003/","source":"secalert_us@oracle.com"},{"url":"https://usn.ubuntu.com/4300-1/","source":"secalert_us@oracle.com"},{"url":"https://usn.ubuntu.com/4301-1/","source":"secalert_us@oracle.com"},{"url":"https://www.debian.org/security/2020/dsa-4699","source":"secalert_us@oracle.com"},{"url":"http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2020/01/30/4","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1792167","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20200313-0003/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4300-1/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4301-1/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2020/dsa-4699","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-3016","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}