CVE-2019-6974

High

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.

Package Linux Kernel
Published 2019-02-15
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

8.1

out of 10
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-362

CVE-2019-6974 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

28 total

Frequently asked questions

  • What is CVE-2019-6974?

    CVE-2019-6974 is a High severity Linux kernel vulnerability with a CVSS score of 8.1 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2019-6974 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2019-6974?

    CVE-2019-6974 has a CVSS score of 8.1 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2019-6974?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-6974 patch availability.

  • Is CVE-2019-6974 actively exploited?

    No. CVE-2019-6974 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.