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ubuntucveUbuntu.comUB:CVE-2018-8781
HistoryApr 23, 2018 - 12:00 a.m.

CVE-2018-8781

2018-04-2300:00:00
ubuntu.com
ubuntu.com
22

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.0004 Low

EPSS

Percentile

9.3%

The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux
kernel version 3.4 and up to and including 4.15 has an integer-overflow
vulnerability allowing local users with access to the udldrmfb driver to
obtain full read and write permissions on kernel physical pages, resulting
in a code execution in kernel space.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlinux< 4.13.0-45.50UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-151.201UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-127.153UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1022.22UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1060.69UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1013.13~16.04.2UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.13.0-1019.23UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.13.0-45.50~16.04.1UNKNOWN
ubuntu18.04noarchlinux-hwe-edge< 4.18.0-8.9~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.13.0-45.50~16.04.1UNKNOWN
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.0004 Low

EPSS

Percentile

9.3%