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CVE-2019-3016 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.7 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CNA: [email protected]CVSS-B:6.2 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1792167	CVE	Issue TrackingThird Party Advisory
https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7	CVE	PatchVendor Advisory
https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e	CVE	PatchVendor Advisory
https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589	CVE	PatchVendor Advisory
https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e	CVE	PatchVendor Advisory
https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796	CVE	PatchVendor Advisory
https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/	CVE
https://security.netapp.com/advisory/ntap-20200313-0003/	CVE
https://usn.ubuntu.com/4300-1/	CVE
https://usn.ubuntu.com/4301-1/	CVE
https://www.debian.org/security/2020/dsa-4699	CVE
http://www.openwall.com/lists/oss-security/2020/01/30/4	CVE	Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1792167	[email protected]	Issue TrackingThird Party Advisory
https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7	[email protected]	PatchVendor Advisory
https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e	[email protected]	PatchVendor Advisory
https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589	[email protected]	PatchVendor Advisory
https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e	[email protected]	PatchVendor Advisory
https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796	[email protected]	PatchVendor Advisory
https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/	[email protected]
https://security.netapp.com/advisory/ntap-20200313-0003/	[email protected]
https://usn.ubuntu.com/4300-1/	[email protected]
https://usn.ubuntu.com/4301-1/	[email protected]
https://www.debian.org/security/2020/dsa-4699	[email protected]
http://www.openwall.com/lists/oss-security/2020/01/30/4	[email protected]	Mailing ListThird Party Advisory

see all 26 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	[email protected]
CWE-200	Exposure of Sensitive Information to an Unauthorized Actor	[email protected]
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 4.16 4.10
CPE cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:4.10:::::::* Remediation No remediation found in references.

Change History

12 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Jun 10, 2020	CVE Modified	[email protected]
Apr 15, 2020	CVE Modified	[email protected]
Apr 3, 2020	CVE Modified	[email protected]
Mar 19, 2020	CVE Modified	[email protected]
Mar 13, 2020	CVE Modified	[email protected]
Feb 7, 2020	Initial Analysis	[email protected]
Feb 4, 2020	CVE Modified	[email protected]