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ubuntucveUbuntu.comUB:CVE-2018-1108
HistoryMay 21, 2018 - 12:00 a.m.

CVE-2018-1108

2018-05-2100:00:00
ubuntu.com
ubuntu.com
22

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.007

Percentile

79.8%

kernel drivers before version 4.17-rc1 are vulnerable to a weakness in the
Linux kernel’s implementation of random seed data. Programs, early in the
boot sequence, could use the data allocated for the seed before it was
sufficiently generated.

Bugs

Notes

Author Note
sbeattie not clear if RNDRESEEDCRNG ioctl should be backported, too; it’s unlikely user space will receive backports to support it. fix introduced regression bug LP: #1779827
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-33.36UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1020.20UNKNOWN
ubuntu18.04noarchlinux-azure< 4.15.0-1022.23UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1022.22~16.04.1UNKNOWN
ubuntu16.04noarchlinux-azure-edge< 4.15.0-1022.23UNKNOWN
ubuntu18.04noarchlinux-gcp< 4.15.0-1018.19UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.15.0-1018.19~16.04.2UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.15.0-33.36~16.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.15.0-33.36~16.04.1UNKNOWN
ubuntu18.04noarchlinux-kvm< 4.15.0-1020.20UNKNOWN
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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.007

Percentile

79.8%