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ubuntucveUbuntu.comUB:CVE-2017-7889
HistoryApr 16, 2017 - 12:00 a.m.

CVE-2017-7889

2017-04-1600:00:00
ubuntu.com
ubuntu.com
10

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

5.3%

JSON

The mm subsystem in the Linux kernel through 3.2 does not properly enforce
the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to
read or write to kernel memory locations in the first megabyte (and bypass
slab-allocation access restrictions) via an application that opens the
/dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.

Notes

Author Note
jdstrand android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchlinux< 3.13.0-142.191UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-79.100UNKNOWN
ubuntu17.04noarchlinux< 4.10.0-22.24UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1018.27UNKNOWN
ubuntu16.04noarchlinux-gke< 4.4.0-1014.14UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.10.0-27.30~16.04.2UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.10.0-27.30~16.04.2UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-79.100~14.04.1UNKNOWN
ubuntu16.04noarchlinux-raspi2< 4.4.0-1057.64UNKNOWN
ubuntu17.04noarchlinux-raspi2< 4.10.0-1006.8UNKNOWN
Rows per page:
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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

5.3%

JSON
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