CVE-2019-6974

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.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 91%
VendorProductVersion
linuxlinux_kernel
3.10 ≤
𝑥
< 3.16.64
linuxlinux_kernel
3.17 ≤
𝑥
< 3.18.136
linuxlinux_kernel
3.19 ≤
𝑥
< 4.4.176
linuxlinux_kernel
4.5 ≤
𝑥
< 4.9.156
linuxlinux_kernel
4.10 ≤
𝑥
< 4.14.99
linuxlinux_kernel
4.15 ≤
𝑥
< 4.19.21
linuxlinux_kernel
4.20 ≤
𝑥
< 4.20.8
debiandebian_linux
8.0
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
f5big-ip_access_policy_manager
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_access_policy_manager
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_access_policy_manager
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_advanced_firewall_manager
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_advanced_firewall_manager
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_advanced_firewall_manager
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_analytics
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_analytics
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_analytics
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_application_acceleration_manager
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_application_acceleration_manager
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_application_acceleration_manager
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_application_security_manager
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_application_security_manager
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_application_security_manager
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_edge_gateway
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_edge_gateway
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_edge_gateway
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_fraud_protection_service
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_fraud_protection_service
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_fraud_protection_service
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_global_traffic_manager
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_global_traffic_manager
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_global_traffic_manager
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_link_controller
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_link_controller
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_link_controller
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_local_traffic_manager
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_local_traffic_manager
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_local_traffic_manager
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_policy_enforcement_manager
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_policy_enforcement_manager
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_policy_enforcement_manager
15.0.0 ≤
𝑥
< 15.1.0
f5big-ip_webaccelerator
13.0.0 ≤
𝑥
≤ 13.1.1
f5big-ip_webaccelerator
14.0.0 ≤
𝑥
≤ 14.1.0
f5big-ip_webaccelerator
15.0.0 ≤
𝑥
< 15.1.0
redhatopenshift_container_platform
3.11
redhatenterprise_linux
7.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_eus
7.5
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.4
redhatenterprise_linux_server_aus
7.6
redhatenterprise_linux_server_eus
7.6
redhatenterprise_linux_server_tus
7.4
redhatenterprise_linux_server_tus
7.6
redhatenterprise_linux_workstation
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
sid
6.11.5-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
disco
not-affected
cosmic
Fixed 4.18.0-17.18
released
bionic
Fixed 4.15.0-47.50
released
xenial
Fixed 4.4.0-145.171
released
trusty
Fixed 3.13.0-168.218
released
linux-aws
disco
not-affected
cosmic
Fixed 4.18.0-1012.14
released
bionic
Fixed 4.15.0-1035.37
released
xenial
Fixed 4.4.0-1079.89
released
trusty
Fixed 4.4.0-1040.43
released
linux-aws-hwe
disco
dne
cosmic
dne
bionic
dne
xenial
Fixed 4.15.0-1035.37~16.04.1
released
trusty
dne
linux-azure
disco
not-affected
cosmic
Fixed 4.18.0-1014.14
released
bionic
Fixed 4.18.0-1014.14~18.04.1
released
xenial
Fixed 4.15.0-1041.45
released
trusty
Fixed 4.15.0-1041.45~14.04.1
released
linux-azure-edge
disco
dne
cosmic
dne
bionic
Fixed 4.18.0-1014.14~18.04.1
released
xenial
Fixed 4.15.0-1041.45
released
trusty
dne
linux-euclid
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-flo
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-gcp
disco
not-affected
cosmic
Fixed 4.18.0-1008.9
released
bionic
Fixed 4.15.0-1029.31
released
xenial
Fixed 4.15.0-1029.31~16.04.1
released
trusty
dne
linux-gcp-edge
disco
dne
cosmic
dne
bionic
Fixed 4.18.0-1008.9~18.04.1
released
xenial
dne
trusty
dne
linux-gke
disco
dne
cosmic
dne
bionic
not-affected
xenial
ignored
trusty
dne
linux-goldfish
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-grouper
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe
disco
dne
cosmic
dne
bionic
Fixed 4.18.0-17.18~18.04.1
released
xenial
Fixed 4.15.0-47.50~16.04.1
released
trusty
dne
linux-hwe-edge
disco
dne
cosmic
dne
bionic
not-affected
xenial
Fixed 4.15.0-47.50~16.04.1
released
trusty
dne
linux-kvm
disco
not-affected
cosmic
Fixed 4.18.0-1009.9
released
bionic
Fixed 4.15.0-1031.31
released
xenial
Fixed 4.4.0-1043.49
released
trusty
dne
linux-lts-trusty
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-utopic
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-vivid
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-wily
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
ignored
linux-lts-xenial
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
Fixed 4.4.0-144.170~14.04.1
released
linux-maguro
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-mako
disco
dne
cosmic
dne
bionic
dne
xenial
ignored
trusty
dne
linux-manta
disco
dne
cosmic
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem
disco
not-affected
cosmic
Fixed 4.15.0-1035.40
released
bionic
Fixed 4.15.0-1035.40
released
xenial
ignored
trusty
dne
linux-oracle
disco
not-affected
cosmic
Fixed 4.15.0-1010.12
released
bionic
Fixed 4.15.0-1010.12
released
xenial
Fixed 4.15.0-1010.12~16.04.1
released
trusty
dne
linux-raspi2
disco
not-affected
cosmic
Fixed 4.18.0-1011.13
released
bionic
Fixed 4.15.0-1033.35
released
xenial
Fixed 4.4.0-1106.114
released
trusty
dne
linux-snapdragon
disco
not-affected
cosmic
dne
bionic
Fixed 4.15.0-1053.57
released
xenial
Fixed 4.4.0-1110.115
released
trusty
dne
References