CVEvulnerability

CVE-2019-6974

8.1 HIGH Published 2019-02-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-02-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-362, CWE-416

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.

Affected configurations

• linux linux kernel (>= 3.10 < 3.16.64) • linux linux kernel (>= 3.17 < 3.18.136) • linux linux kernel (>= 3.19 < 4.4.176) • linux linux kernel (>= 4.5 < 4.9.156) • linux linux kernel (>= 4.10 < 4.14.99) • linux linux kernel (>= 4.15 < 4.19.21) • linux linux kernel (>= 4.20 < 4.20.8) • debian debian linux 8.0 • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 18.10 • f5 big-ip access policy manager (>= 13.0.0 <= 13.1.1) • f5 big-ip access policy manager (>= 14.0.0 <= 14.1.0) • f5 big-ip access policy manager (>= 15.0.0 < 15.1.0) • f5 big-ip advanced firewall manager (>= 13.0.0 <= 13.1.1) • f5 big-ip advanced firewall manager (>= 14.0.0 <= 14.1.0) • f5 big-ip advanced firewall manager (>= 15.0.0 < 15.1.0) • f5 big-ip analytics (>= 13.0.0 <= 13.1.1) • f5 big-ip analytics (>= 14.0.0 <= 14.1.0) • f5 big-ip analytics (>= 15.0.0 < 15.1.0) • f5 big-ip application acceleration manager (>= 13.0.0 <= 13.1.1) • f5 big-ip application acceleration manager (>= 14.0.0 <= 14.1.0) • f5 big-ip application acceleration manager (>= 15.0.0 < 15.1.0) • f5 big-ip application security manager (>= 13.0.0 <= 13.1.1) • f5 big-ip application security manager (>= 14.0.0 <= 14.1.0) • f5 big-ip application security manager (>= 15.0.0 < 15.1.0) • f5 big-ip edge gateway (>= 13.0.0 <= 13.1.1) • f5 big-ip edge gateway (>= 14.0.0 <= 14.1.0) • f5 big-ip edge gateway (>= 15.0.0 < 15.1.0) • f5 big-ip fraud protection service (>= 13.0.0 <= 13.1.1) • f5 big-ip fraud protection service (>= 14.0.0 <= 14.1.0) • f5 big-ip fraud protection service (>= 15.0.0 < 15.1.0) • f5 big-ip global traffic manager (>= 13.0.0 <= 13.1.1) • f5 big-ip global traffic manager (>= 14.0.0 <= 14.1.0) • f5 big-ip global traffic manager (>= 15.0.0 < 15.1.0) • f5 big-ip link controller (>= 13.0.0 <= 13.1.1) • f5 big-ip link controller (>= 14.0.0 <= 14.1.0) • f5 big-ip link controller (>= 15.0.0 < 15.1.0) • f5 big-ip local traffic manager (>= 13.0.0 <= 13.1.1) • f5 big-ip local traffic manager (>= 14.0.0 <= 14.1.0) • f5 big-ip local traffic manager (>= 15.0.0 < 15.1.0) • f5 big-ip policy enforcement manager (>= 13.0.0 <= 13.1.1) • f5 big-ip policy enforcement manager (>= 14.0.0 <= 14.1.0) • f5 big-ip policy enforcement manager (>= 15.0.0 < 15.1.0) • f5 big-ip webaccelerator (>= 13.0.0 <= 13.1.1) • f5 big-ip webaccelerator (>= 14.0.0 <= 14.1.0) • f5 big-ip webaccelerator (>= 15.0.0 < 15.1.0) • redhat openshift container platform 3.11 • redhat enterprise linux 7.0 • redhat enterprise linux desktop 7.0 • redhat enterprise linux eus 7.5 • redhat enterprise linux server 7.0 • redhat enterprise linux server aus 7.4 • redhat enterprise linux server aus 7.6 • redhat enterprise linux server eus 7.6 • redhat enterprise linux server tus 7.4 • redhat enterprise linux server tus 7.6 • redhat enterprise linux workstation 7.0

Related

Weakness · CWE (2)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
  • CWE-416 Use After Free weakness

References