Vulnerability DatabaseCVE-2019-6974
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2019-6974
Published:February 15, 2019
Updated:May 17, 2026
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
Related Resources (32)
https://usn.ubuntu.com/3933-2/
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156
https://usn.ubuntu.com/3931-1/
https://bugs.chromium.org/p/project-zero/issues/detail?id=1765
https://access.redhat.com/errata/RHSA-2020:0103
https://access.redhat.com/errata/RHSA-2019:2809
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8
https://access.redhat.com/errata/RHSA-2019:3967
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99
https://support.f5.com/csp/article/K11186236
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
https://support.f5.com/csp/article/K11186236?utm_source=f5support&amp%3Butm_medium=RSS
https://support.f5.com/csp/article/K11186236?utm_source=f5support&utm_medium=RSS
http://www.securityfocus.com/bid/107127
https://usn.ubuntu.com/3932-2/
https://www.exploit-db.com/exploits/46388/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-6974
https://access.redhat.com/security/cve/CVE-2019-6974
https://security-tracker.debian.org/tracker/CVE-2019-6974
https://access.redhat.com/errata/RHBA-2019:0959
https://access.redhat.com/errata/RHSA-2019:0833
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21
https://usn.ubuntu.com/3933-1/
https://usn.ubuntu.com/3930-2/
https://usn.ubuntu.com/3931-2/
https://access.redhat.com/errata/RHSA-2019:0818
https://usn.ubuntu.com/3932-1/
https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
https://usn.ubuntu.com/3930-1/
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
Do you need more information?
Contact Us
CVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Use After Free
CWE-416
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362
EPSS
Base Score:
7.92