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CVE-2019-14821 Details

Description

An out-of-bounds access issue was found in the Linux kernel, all versions through 5.3, in the way Linux kernel's KVM hypervisor implements the Coalesced MMIO write operation. It operates on an MMIO ring buffer 'struct kvm_coalesced_mmio' object, wherein write indices 'ring->first' and 'ring->last' value could be supplied by a host user-space process. An unprivileged host user or process with access to '/dev/kvm' device could use this flaw to crash the host kernel, resulting in a denial of service or potentially escalating privileges on the system.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00036.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00037.html	CVE	Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html	CVE	Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html	CVE	Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:3309	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3517	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3978	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3979	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4154	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4256	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0027	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0204	CVE	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14821	CVE	Issue TrackingMitigationPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html	CVE	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRZQQQANZWQMPILZV7OTS3RGGRLLE2Q7/	CVE	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3QNMPENPFEGVTOFPSNOBL7JEIJS25P/	CVE	Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Nov/11	CVE	Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Sep/41	CVE	Issue TrackingMailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/	CVE	Third Party Advisory
https://usn.ubuntu.com/4157-1/	CVE	Third Party Advisory
https://usn.ubuntu.com/4157-2/	CVE	Third Party Advisory
https://usn.ubuntu.com/4162-1/	CVE	Third Party Advisory
https://usn.ubuntu.com/4162-2/	CVE	Third Party Advisory
https://usn.ubuntu.com/4163-1/	CVE	Third Party Advisory
https://usn.ubuntu.com/4163-2/	CVE	Third Party Advisory
https://www.debian.org/security/2019/dsa-4531	CVE	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html	CVE	Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/09/20/1	CVE	Mailing ListPatchThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00036.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00037.html	[email protected]	Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html	[email protected]	Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html	[email protected]	Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:3309	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3517	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3978	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3979	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4154	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4256	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0027	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0204	[email protected]	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14821	[email protected]	Issue TrackingMitigationPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html	[email protected]	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRZQQQANZWQMPILZV7OTS3RGGRLLE2Q7/	[email protected]	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3QNMPENPFEGVTOFPSNOBL7JEIJS25P/	[email protected]	Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Nov/11	[email protected]	Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Sep/41	[email protected]	Issue TrackingMailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0001/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/4157-1/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/4157-2/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/4162-1/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/4162-2/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/4163-1/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/4163-2/	[email protected]	Third Party Advisory
https://www.debian.org/security/2019/dsa-4531	[email protected]	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html	[email protected]	Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/09/20/1	[email protected]	Mailing ListPatchThird Party Advisory

see all 58 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 2.6.27, <= 3.15.10 >= 3.16, < 3.16.74 >= 4.4, < 4.4.194 >= 4.9, < 4.9.194 >= 4.14, < 4.14.146
CPE cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:5.4:rc1:::::: Remediation No remediation found in references.
redhat virtualization host	4.0
CPE cpe:2.3:a:redhat:virtualization_host:4.0:::::::* Remediation No remediation found in references.
redhat enterprise linux	8.0
CPE cpe:2.3:o:redhat:enterprise_linux:8.0:::::::* Remediation No remediation found in references.
redhat enterprise linux desktop	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux eus	7.7
CPE cpe:2.3:o:redhat:enterprise_linux_eus:7.7:::::::* Remediation No remediation found in references.
redhat enterprise linux for real time	7 8
CPE cpe:2.3:o:redhat:enterprise_linux_for_real_time:7:::::::* cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:::::::* Remediation No remediation found in references.
redhat enterprise linux server	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server aus	7.7
CPE cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:::::::* Remediation No remediation found in references.
redhat enterprise linux server tus	7.7
CPE cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:::::::* Remediation No remediation found in references.
redhat enterprise linux workstation	6.0 7.0
CPE cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::* cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::* Remediation No remediation found in references.
canonical ubuntu linux	14.04 16.04 18.04 19.04
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:19.04:::::::* Remediation No remediation found in references.
opensuse leap	15.0 15.1
CPE cpe:2.3:o:opensuse:leap:15.0:::::::* cpe:2.3:o:opensuse:leap:15.1:::::::* Remediation No remediation found in references.
fedoraproject fedora	29 30
CPE cpe:2.3:o:fedoraproject:fedora:29:::::::* cpe:2.3:o:fedoraproject:fedora:30:::::::* Remediation No remediation found in references.
debian debian linux	8.0 9.0 10.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* cpe:2.3:o:debian:debian_linux:9.0:::::::* cpe:2.3:o:debian:debian_linux:10.0:::::::* Remediation No remediation found in references.
netapp aff a700s firmware	All versions
CPE cpe:2.3:o:netapp:aff_a700s_firmware:-:::::::* Remediation No remediation found in references.
netapp aff a700s	All versions
CPE cpe:2.3:h:netapp:aff_a700s:-:::::::* Remediation No remediation found in references.
netapp h300s firmware	All versions
CPE cpe:2.3:o:netapp:h300s_firmware:-:::::::* Remediation No remediation found in references.
netapp h300s	All versions
CPE cpe:2.3:h:netapp:h300s:-:::::::* Remediation No remediation found in references.
netapp h500s firmware	All versions
CPE cpe:2.3:o:netapp:h500s_firmware:-:::::::* Remediation No remediation found in references.
netapp h500s	All versions
CPE cpe:2.3:h:netapp:h500s:-:::::::* Remediation No remediation found in references.
netapp h700s firmware	All versions
CPE cpe:2.3:o:netapp:h700s_firmware:-:::::::* Remediation No remediation found in references.
netapp h700s	All versions
CPE cpe:2.3:h:netapp:h700s:-:::::::* Remediation No remediation found in references.
netapp h300e firmware	All versions
CPE cpe:2.3:o:netapp:h300e_firmware:-:::::::* Remediation No remediation found in references.
netapp h300e	All versions
CPE cpe:2.3:h:netapp:h300e:-:::::::* Remediation No remediation found in references.
netapp h500e firmware	All versions
CPE cpe:2.3:o:netapp:h500e_firmware:-:::::::* Remediation No remediation found in references.
netapp h500e	All versions
CPE cpe:2.3:h:netapp:h500e:-:::::::* Remediation No remediation found in references.
netapp h700e firmware	All versions
CPE cpe:2.3:o:netapp:h700e_firmware:-:::::::* Remediation No remediation found in references.
netapp h700e	All versions
CPE cpe:2.3:h:netapp:h700e:-:::::::* Remediation No remediation found in references.
netapp h410s firmware	All versions
CPE cpe:2.3:o:netapp:h410s_firmware:-:::::::* Remediation No remediation found in references.
netapp h410s	All versions
CPE cpe:2.3:h:netapp:h410s:-:::::::* Remediation No remediation found in references.
netapp h410c firmware	All versions
CPE cpe:2.3:o:netapp:h410c_firmware:-:::::::* Remediation No remediation found in references.
netapp h410c	All versions
CPE cpe:2.3:h:netapp:h410c:-:::::::* Remediation No remediation found in references.
netapp h610s firmware	All versions
CPE cpe:2.3:o:netapp:h610s_firmware:-:::::::* Remediation No remediation found in references.
netapp h610s	All versions
CPE cpe:2.3:h:netapp:h610s:-:::::::* Remediation No remediation found in references.
netapp data availability services	All versions
CPE cpe:2.3:a:netapp:data_availability_services:-:::::::* Remediation No remediation found in references.
netapp hci management node	All versions
CPE cpe:2.3:a:netapp:hci_management_node:-:::::::* Remediation No remediation found in references.
netapp solidfire	All versions
CPE cpe:2.3:a:netapp:solidfire:-:::::::* Remediation No remediation found in references.
oracle sd-wan edge	7.3 8.0 8.1 8.2
CPE cpe:2.3:a:oracle:sd-wan_edge:7.3:::::::* cpe:2.3:a:oracle:sd-wan_edge:8.0:::::::* cpe:2.3:a:oracle:sd-wan_edge:8.1:::::::* cpe:2.3:a:oracle:sd-wan_edge:8.2:::::::* Remediation No remediation found in references.

Change History

31 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 16, 2024	Modified Analysis	[email protected]
Feb 12, 2023	CVE Modified	[email protected]
Feb 2, 2023	CVE Modified	[email protected]
Jun 2, 2021	Reanalysis	[email protected]
Jun 2, 2021	Modified Analysis	[email protected]
Apr 15, 2020	CVE Modified	[email protected]
Jan 30, 2020	CVE Modified	[email protected]
Jan 6, 2020	CVE Modified	[email protected]
Dec 17, 2019	CVE Modified	[email protected]
Dec 10, 2019	CVE Modified	[email protected]
Nov 26, 2019	CVE Modified	[email protected]
Nov 8, 2019	CVE Modified	[email protected]
Nov 8, 2019	CVE Modified	[email protected]
Nov 6, 2019	CVE Modified	[email protected]
Oct 23, 2019	CVE Modified	[email protected]
Oct 23, 2019	CVE Modified	[email protected]
Oct 23, 2019	CVE Modified	[email protected]
Oct 22, 2019	CVE Modified	[email protected]
Oct 17, 2019	CVE Modified	[email protected]
Oct 11, 2019	CVE Modified	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Oct 4, 2019	CVE Modified	[email protected]
Oct 2, 2019	CVE Modified	[email protected]
Oct 1, 2019	CVE Modified	[email protected]
Sep 25, 2019	CVE Modified	[email protected]
Sep 24, 2019	CVE Modified	[email protected]
Sep 20, 2019	Initial Analysis	[email protected]
Sep 20, 2019	CVE Modified	[email protected]

CVE-2019-14821 Details

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