National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-6974 Detail

Current 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.

Source:  MITRE
Description Last Modified:  02/15/2019
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.1 HIGH
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.2


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9 Mailing List Patch Vendor Advisory
http://www.securityfocus.com/bid/107127 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHBA-2019:0959 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0818 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0833 Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1765 Exploit Mailing List Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99 Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156 Vendor Advisory
https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9 Exploit Patch Third Party Advisory
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://lists.debian.org/debian-lts-announce/2019/05/msg00002.html Mailing List Third Party Advisory
https://support.f5.com/csp/article/K11186236 Third Party Advisory
https://usn.ubuntu.com/3930-1/ Third Party Advisory
https://usn.ubuntu.com/3930-2/ Third Party Advisory
https://usn.ubuntu.com/3931-1/ Third Party Advisory
https://usn.ubuntu.com/3931-2/ Third Party Advisory
https://usn.ubuntu.com/3932-1/ Third Party Advisory
https://usn.ubuntu.com/3932-2/ Third Party Advisory
https://usn.ubuntu.com/3933-1/ Third Party Advisory
https://usn.ubuntu.com/3933-2/ Third Party Advisory
https://www.exploit-db.com/exploits/46388/ Exploit Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
4.20.8

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0
 cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
13.0.0
Up to (including)
13.1.1
 cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
14.0.0
Up to (including)
14.1.0

Configuration 5 ( hide )
 cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:virtualization:4.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

16 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-6974
NVD Published Date:
02/15/2019
NVD Last Modified:
05/08/2019