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Vulnerability Details : CVE-2019-7221

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.
Publish Date : 2019-03-21 Last Update Date : 2019-06-14
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 416

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:0818: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20190818 unix
RHSA-2019:0833: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20190833 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-7221

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 ~~lts~~~ Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.04 ~~lts~~~ Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 18.10 Version Details Vulnerabilities
5 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
6 OS Fedoraproject Fedora 28 Version Details Vulnerabilities
7 OS Fedoraproject Fedora 29 Version Details Vulnerabilities
8 OS Linux Linux Kernel 4.20.5 Version Details Vulnerabilities
9 Application Netapp Active Iq Performance Analytics Services - Version Details Vulnerabilities
10 Application Netapp Element Software Management Node - Version Details Vulnerabilities
11 OS Opensuse Leap 15.0 Version Details Vulnerabilities
12 OS Redhat Enterprise Linux 7.0 Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Desktop 7.0 Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server 7.0 Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Aus 7.6 Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Server Eus 7.6 Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Server Tus 7.6 Version Details Vulnerabilities
18 OS Redhat Enterprise Linux Workstation 7.0 Version Details Vulnerabilities
19 Application Redhat Openshift Container Platform 3.11 Version Details Vulnerabilities
20 OS Redhat Virtualization 4.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 1
Fedoraproject Fedora 2
Linux Linux Kernel 1
Netapp Active Iq Performance Analytics Services 1
Netapp Element Software Management Node 1
Opensuse Leap 1
Redhat Enterprise Linux 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Eus 1
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 1
Redhat Openshift Container Platform 1
Redhat Virtualization 1

- References For CVE-2019-7221

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecec76885bcfe3294685dc363fd1273df0d5d65f CONFIRM
https://usn.ubuntu.com/3930-1/
UBUNTU USN-3930-1
https://usn.ubuntu.com/3930-2/
UBUNTU USN-3930-2
https://usn.ubuntu.com/3931-1/
UBUNTU USN-3931-1
https://usn.ubuntu.com/3931-2/
UBUNTU USN-3931-2
https://usn.ubuntu.com/3932-1/
UBUNTU USN-3932-1
https://usn.ubuntu.com/3932-2/
UBUNTU USN-3932-2
https://github.com/torvalds/linux/commits/master/arch/x86/kvm
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
MLIST [debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
MLIST [debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
MLIST [debian-lts-announce] 20190503 [SECURITY] [DLA 1771-1] linux-4.9 security update
https://lists.fedoraproject.org/archives/list/[email protected]/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/
FEDORA FEDORA-2019-164946aa7f
https://lists.fedoraproject.org/archives/list/[email protected]/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/
FEDORA FEDORA-2019-3da64f3e61
https://access.redhat.com/errata/RHSA-2019:0818
REDHAT RHSA-2019:0818
https://access.redhat.com/errata/RHSA-2019:0833
REDHAT RHSA-2019:0833
http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-Free.html
http://www.openwall.com/lists/oss-security/2019/02/18/2
https://access.redhat.com/errata/RHBA-2019:0959
REDHAT RHBA-2019:0959
https://security.netapp.com/advisory/ntap-20190404-0002/ CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
SUSE SUSE-SA-2019:0203-1
https://bugs.chromium.org/p/project-zero/issues/detail?id=1760 CONFIRM
https://support.f5.com/csp/article/K08413011 CONFIRM

- Metasploit Modules Related To CVE-2019-7221

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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