CVE-2019-6974

CVSS V2 Medium 6.8 CVSS V3 High 8.1
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.
Overview
  • CVE ID
  • CVE-2019-6974
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Undergoing Analysis
  • Published Version
  • 2019-02-15T15:29:00
  • Last Modified Date
  • 2022-04-05T20:40:44
Weakness Enumerations
CWE URL
CWE-362 http://cwe.mitre.org/data/definitions/362.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.20.8
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.1.1
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* 1 OR 14.0.0 14.1.0
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* 1 OR 15.0.0 15.1.0
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.2
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9 Exploit Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156 Mailing List Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 Mailing List Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 Mailing List Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99 Mailing List Vendor Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1765 Exploit Mailing List Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9 Mailing List Vendor Advisory Patch
https://www.exploit-db.com/exploits/46388/ Exploit Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/107127 Broken Link
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html Mailing List Third Party Advisory
https://usn.ubuntu.com/3933-2/ Third Party Advisory
https://usn.ubuntu.com/3932-2/ Third Party Advisory
https://usn.ubuntu.com/3932-1/ Third Party Advisory
https://usn.ubuntu.com/3931-2/ Third Party Advisory
https://usn.ubuntu.com/3931-1/ Third Party Advisory
https://usn.ubuntu.com/3930-2/ Third Party Advisory
https://usn.ubuntu.com/3930-1/ Third Party Advisory
https://usn.ubuntu.com/3933-1/ Third Party Advisory
https://support.f5.com/csp/article/K11186236 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0833 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0818 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0959 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2809 Third Party Advisory
https://support.f5.com/csp/article/K11186236?utm_source=f5support&utm_medium=RSS Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3967 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0103 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-6974
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6974
History
Created Old Value New Value Data Type Notes
2022-05-10 06:29:42 Added to TrackCVE
2022-12-03 17:24:34 2019-02-15T15:29Z 2019-02-15T15:29:00 CVE Published Date updated
2022-12-03 17:24:34 2022-04-05T20:40:44 CVE Modified Date updated
2022-12-03 17:24:34 Analyzed Vulnerability Status updated
2023-04-18 18:09:37 Analyzed Undergoing Analysis Vulnerability Status updated