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Status published
High
CVE-2019-6974
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1765
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21
- https://www.exploit-db.com/exploits/46388/
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8
- https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9
- http://www.securityfocus.com/bid/107127
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156
- 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
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/3932-2/
- https://usn.ubuntu.com/3930-1/
- https://usn.ubuntu.com/3931-1/
- https://usn.ubuntu.com/3933-2/
- https://usn.ubuntu.com/3931-2/
- https://usn.ubuntu.com/3930-2/
- https://usn.ubuntu.com/3933-1/
- https://support.f5.com/csp/article/K11186236
- https://access.redhat.com/errata/RHSA-2019:0833
- https://access.redhat.com/errata/RHSA-2019:0818
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
- https://access.redhat.com/errata/RHBA-2019:0959
- https://access.redhat.com/errata/RHSA-2019:2809
- https://support.f5.com/csp/article/K11186236?utm_source=f5support&%3Butm_medium=RSS
- https://access.redhat.com/errata/RHSA-2019:3967
- https://access.redhat.com/errata/RHSA-2020:0103
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, debian linux, ubuntu linux, 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, openshift container platform, 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
Vulnerable Versions:
3.10, 3.17, 3.19, 4.5, 4.10, 4.15, 4.20, 8.0, 12.04, 14.04, 16.04, 18.04, 18.10, 13.0.0, 14.0.0, 15.0.0, 3.11, 7.0, 7.5, 7.4, 7.6
Timeline
Official Publish:
February 15th, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.