CVE-2019-3887

CVE	CVE-2019-3887
State	PUBLIC
Assigner	[email protected]
Source Priority	CVE Program / NVD first with legacy fallback
Published	2019-04-09 16:29:00 UTC
Updated	2023-02-12 23:38:00 UTC
Description	A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister (MSR) access with nested(=1) virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash the host kernel resulting in DoS issue. Kernel versions from 4.16 and newer are vulnerable to this issue.

Problem Types: CWE-863

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Canonical	Ubuntu Linux	18.04	All	All	All
Operating System	Canonical	Ubuntu Linux	18.10	All	All	All
Operating System	Canonical	Ubuntu Linux	19.04	All	All	All
Operating System	Fedoraproject	Fedora	29	All	All	All
Operating System	Linux	Linux Kernel	All	All	All	All
Operating System	Linux	Linux Kernel	All	All	All	All
Operating System	Redhat	Enterprise Linux	8.0	All	All	All
Operating System	Redhat	Enterprise Linux Eus	8.1	All	All	All
Operating System	Redhat	Enterprise Linux Eus	8.2	All	All	All
Operating System	Redhat	Enterprise Linux Eus	8.4	All	All	All
Operating System	Redhat	Enterprise Linux For Real Time	8	All	All	All
Operating System	Redhat	Enterprise Linux For Real Time For Nfv	8	All	All	All
Operating System	Redhat	Enterprise Linux For Real Time For Nfv Tus	8.2	All	All	All
Operating System	Redhat	Enterprise Linux For Real Time For Nfv Tus	8.4	All	All	All
Operating System	Redhat	Enterprise Linux For Real Time Tus	8.2	All	All	All
Operating System	Redhat	Enterprise Linux For Real Time Tus	8.4	All	All	All
Operating System	Redhat	Enterprise Linux Server Aus	8.2	All	All	All
Operating System	Redhat	Enterprise Linux Server Aus	8.4	All	All	All
Operating System	Redhat	Enterprise Linux Server Tus	8.2	All	All	All
Operating System	Redhat	Enterprise Linux Server Tus	8.4	All	All	All

Reference	Source	Link	Tags
USN-3980-1: Linux kernel vulnerabilities \| Ubuntu security notices \| Ubuntu	UBUNTU	usn.ubuntu.com
Red Hat Customer Portal	MISC	access.redhat.com
[SECURITY] Fedora 29 Update: kernel-headers-5.0.7-200.fc29 - package-announce - Fedora Mailing-Lists	FEDORA	lists.fedoraproject.org
[SECURITY] Fedora 29 Update: kernel-headers-5.0.7-200.fc29 - package-announce - Fedora Mailing-Lists	MISC	lists.fedoraproject.org
USN-3980-2: Linux kernel (HWE) vulnerabilities \| Ubuntu security notices \| Ubuntu	UBUNTU	usn.ubuntu.com
1695044 – (CVE-2019-3887) CVE-2019-3887 Kernel: KVM: nVMX: guest accesses L0 MSR causes potential DoS	MISC	bugzilla.redhat.com
Red Hat Customer Portal	REDHAT	access.redhat.com
USN-3979-1: Linux kernel vulnerabilities \| Ubuntu security notices \| Ubuntu	UBUNTU	usn.ubuntu.com
1695044 – (CVE-2019-3887) CVE-2019-3887 Kernel: KVM: nVMX: guest accesses L0 MSR causes potential DoS	CONFIRM	bugzilla.redhat.com	Issue Tracking, Patch, Third Party Advisory
Red Hat Customer Portal	REDHAT	access.redhat.com
Linux kernel CVE-2019-3887 Local Denial of Service Vulnerability	BID	www.securityfocus.com	Third Party Advisory, VDB Entry
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

900101 CBL-Mariner Linux Security Update for kernel 5.10.52.1
900303 CBL-Mariner Linux Security Update for kernel 5.10.57.1
900321 CBL-Mariner Linux Security Update for kernel 5.10.60.1
901453 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6521-1)
903238 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3489)
905961 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3489-1)
906403 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6521-2)