CVE-2019-6974

Kernel: KVM: potential use-after-free via kvm_ioctl_create_device()

Published Feb 15, 2019 CVSS 3.1 · 8.1 High EPSS 16.5% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

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
Type Values Removed Values Added
Metrics epss

{'score': 0.11275}

epss

{'score': 0.08376}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 8:38 PM
Reserved
Jan 26, 2019, 12:00 AM
Status
Modified
Published
Feb 15, 2019, 3:29 PM
Modified
Jun 17, 2026, 2:39 AM
Severity
Important
Public date
Feb 7, 2019, 12:00 AM