7.8
HIGH
CVE-2019-7221
"Linux KVM Use-after-Free Vulnerability"
Description

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

INFO

Published Date :

March 21, 2019, 4:01 p.m.

Last Modified :

Nov. 7, 2023, 3:13 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2019-7221 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-7221 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat enterprise_linux_desktop
3 Redhat enterprise_linux_server
4 Redhat enterprise_linux_workstation
5 Redhat enterprise_linux_server_aus
6 Redhat enterprise_linux_server_eus
7 Redhat enterprise_linux_server_tus
8 Redhat openshift_container_platform
1 Netapp active_iq_performance_analytics_services
2 Netapp element_software_management_node
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Fedoraproject fedora
1 Debian debian_linux
1 Opensuse leap
: Total Affected Vendor : 7 | Products : 15
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-7221.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html Mailing List Third Party Advisory
http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-Free.html Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2019/02/18/2 Mailing List Patch Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0959 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0818 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0833 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3967
https://access.redhat.com/errata/RHSA-2019:4058
https://bugs.chromium.org/p/project-zero/issues/detail?id=1760 Exploit Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecec76885bcfe3294685dc363fd1273df0d5d65f Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commits/master/arch/x86/kvm Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/
https://security.netapp.com/advisory/ntap-20190404-0002/ Third Party Advisory
https://support.f5.com/csp/article/K08413011
https://usn.ubuntu.com/3930-1/ Third Party Advisory
https://usn.ubuntu.com/3930-2/ Third Party Advisory
https://usn.ubuntu.com/3931-1/ Third Party Advisory
https://usn.ubuntu.com/3931-2/ Third Party Advisory
https://usn.ubuntu.com/3932-1/ Third Party Advisory
https://usn.ubuntu.com/3932-2/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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vincent-deng/veracode-container-security-finding-parser

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 8 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-7221 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-7221 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 03, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:4058 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 26, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:3967 [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 15, 2019

    Action Type Old Value New Value
    Added Reference https://support.f5.com/csp/article/K08413011 [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 13, 2019

    Action Type Old Value New Value
    Changed Reference Type https://usn.ubuntu.com/3932-2/ No Types Assigned https://usn.ubuntu.com/3932-2/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3931-2/ No Types Assigned https://usn.ubuntu.com/3931-2/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3932-1/ No Types Assigned https://usn.ubuntu.com/3932-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3931-1/ No Types Assigned https://usn.ubuntu.com/3931-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3930-2/ No Types Assigned https://usn.ubuntu.com/3930-2/ Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html Mailing List, Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2019:0818 No Types Assigned https://access.redhat.com/errata/RHSA-2019:0818 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHBA-2019:0959 No Types Assigned https://access.redhat.com/errata/RHBA-2019:0959 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3930-1/ No Types Assigned https://usn.ubuntu.com/3930-1/ Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2019:0833 No Types Assigned https://access.redhat.com/errata/RHSA-2019:0833 Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20190404-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20190404-0002/ Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 07, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHBA-2019:0959 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 03, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 23, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:0818 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 23, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:0833 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 04, 2019

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20190404-0002/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 03, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3932-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3932-1/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3931-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3931-1/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3930-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3930-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 01, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 28, 2019

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 27, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 25, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-Free.html No Types Assigned http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-Free.html Third Party Advisory, VDB Entry
    Changed Reference Type http://www.openwall.com/lists/oss-security/2019/02/18/2 No Types Assigned http://www.openwall.com/lists/oss-security/2019/02/18/2 Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://bugs.chromium.org/p/project-zero/issues/detail?id=1760 No Types Assigned https://bugs.chromium.org/p/project-zero/issues/detail?id=1760 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/ Release Notes, Third Party Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecec76885bcfe3294685dc363fd1273df0d5d65f No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecec76885bcfe3294685dc363fd1273df0d5d65f Mailing List, Patch, Vendor Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/ Release Notes, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html Mailing List, Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commits/master/arch/x86/kvm No Types Assigned https://github.com/torvalds/linux/commits/master/arch/x86/kvm Third Party Advisory
    Added CWE CWE-416
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.20.5
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-7221 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-7221 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.13 }} 0.04%

score

0.46426

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: