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ubuntucveUbuntu.comUB:CVE-2019-6974
HistoryFeb 15, 2019 - 12:00 a.m.

CVE-2019-6974

2019-02-1500:00:00
ubuntu.com
ubuntu.com
15

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.036 Low

EPSS

Percentile

91.5%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-47.50UNKNOWN
ubuntu18.10noarchlinux< 4.18.0-17.18UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-168.218UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-145.171UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1035.37UNKNOWN
ubuntu18.10noarchlinux-aws< 4.18.0-1012.14UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1040.43UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1079.89UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1035.37~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure< 4.18.0-1014.14~18.04.1UNKNOWN
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8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.036 Low

EPSS

Percentile

91.5%