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CVE-2019-7221

Good to know:

Date: March 17, 2019

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

Language: C

Severity Score

7.8

Related Resources (31)

Url: http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-Free.html

Url: https://access.redhat.com/security/cve/CVE-2019-7221

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-7221

Url: https://usn.ubuntu.com/3931-2/

Url: https://usn.ubuntu.com/3932-1/

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-7221

Url: https://github.com/torvalds/linux/commits/master/arch/x86/kvm

Url: https://bugs.chromium.org/p/project-zero/issues/detail?id=1760

Url: https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html

Url: https://access.redhat.com/errata/RHSA-2019:0818

Url: https://access.redhat.com/errata/RHSA-2019:0833

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/

Url: https://security.netapp.com/advisory/ntap-20190404-0002/

Url: https://access.redhat.com/errata/RHSA-2019:3967

Url: https://security-tracker.debian.org/tracker/CVE-2019-7221

Url: https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html

Url: https://access.redhat.com/errata/RHSA-2019:4058

Url: https://usn.ubuntu.com/3932-2/

Url: https://usn.ubuntu.com/3931-1/

Url: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecec76885bcfe3294685dc363fd1273df0d5d65f

Url: https://usn.ubuntu.com/3930-2/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/

Url: http://www.openwall.com/lists/oss-security/2019/02/18/2

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/

Url: https://support.f5.com/csp/article/K08413011

Url: https://access.redhat.com/errata/RHBA-2019:0959

Url: https://usn.ubuntu.com/3930-1/

Url: https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html

Url: http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html

Url: https://www.mend.io/vulnerability-database/CVE-2019-7221

Severity Score

7.8

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

Upgrade Version

Upgrade to version v5.0-rc6

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	4.6
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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