Description
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.
Published: 2019-02-15
Score: 8.1 High
EPSS: 7.9% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1731-1 linux security update
Debian DLA Debian DLA DLA-1731-2 linux regression update
Debian DLA Debian DLA DLA-1771-1 linux-4.9 security update
EUVD EUVD EUVD-2019-16527 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.
Ubuntu USN Ubuntu USN USN-3930-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3930-2 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3931-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3931-2 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3932-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3932-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3933-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3933-2 Linux kernel (Trusty HWE) vulnerabilities
References
Link Providers
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9 cve-icon cve-icon
http://www.securityfocus.com/bid/107127 cve-icon cve-icon
https://access.redhat.com/errata/RHBA-2019:0959 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:0818 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:0833 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2809 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3967 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2020:0103 cve-icon cve-icon
https://bugs.chromium.org/p/project-zero/issues/detail?id=1765 cve-icon cve-icon
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99 cve-icon cve-icon
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 cve-icon cve-icon
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 cve-icon cve-icon
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156 cve-icon cve-icon
https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-6974 cve-icon
https://support.f5.com/csp/article/K11186236 cve-icon cve-icon
https://support.f5.com/csp/article/K11186236?utm_source=f5support&amp%3Butm_medium=RSS cve-icon cve-icon
https://usn.ubuntu.com/3930-1/ cve-icon cve-icon
https://usn.ubuntu.com/3930-2/ cve-icon cve-icon
https://usn.ubuntu.com/3931-1/ cve-icon cve-icon
https://usn.ubuntu.com/3931-2/ cve-icon cve-icon
https://usn.ubuntu.com/3932-1/ cve-icon cve-icon
https://usn.ubuntu.com/3932-2/ cve-icon cve-icon
https://usn.ubuntu.com/3933-1/ cve-icon cve-icon
https://usn.ubuntu.com/3933-2/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-6974 cve-icon
https://www.exploit-db.com/exploits/46388/ cve-icon cve-icon
History

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.11275}

epss

{'score': 0.08376}


Subscriptions

Canonical Ubuntu Linux
Debian Debian Linux
F5 Big-ip Access Policy Manager Big-ip Advanced Firewall Manager Big-ip Analytics Big-ip Application Acceleration Manager Big-ip Application Security Manager Big-ip Edge Gateway Big-ip Fraud Protection Service Big-ip Global Traffic Manager Big-ip Link Controller Big-ip Local Traffic Manager Big-ip Policy Enforcement Manager Big-ip Webaccelerator
Linux Linux Kernel
Redhat Enterprise Linux Enterprise Linux Desktop Enterprise Linux Eus Enterprise Linux Server Enterprise Linux Server Aus Enterprise Linux Server Eus Enterprise Linux Server Tus Enterprise Linux Workstation Openshift Container Platform Rhel Aus Rhel E4s Rhel Eus Rhel Extras Rt Rhel Tus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T20:38:32.373Z

Reserved: 2019-01-26T00:00:00.000Z

Link: CVE-2019-6974

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-02-15T15:29:00.250

Modified: 2024-11-21T04:47:20.457

Link: CVE-2019-6974

cve-icon Redhat

Severity : Important

Publid Date: 2019-02-07T00:00:00Z

Links: CVE-2019-6974 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses