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ubuntucveUbuntu.comUB:CVE-2018-10902
HistoryAug 21, 2018 - 12:00 a.m.

CVE-2018-10902

2018-08-2100:00:00
ubuntu.com
ubuntu.com
18

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

9.3%

It was found that the raw midi kernel driver does not protect against
concurrent access which leads to a double realloc (double free) in
snd_rawmidi_input_params() and snd_rawmidi_output_status() which are part
of snd_rawmidi_ioctl() handler in rawmidi.c file. A malicious local
attacker could possibly use this for privilege escalation.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-43.46UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-164.214UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-137.163UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1031.33UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1031.34UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1069.79UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1031.33~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure< 4.15.0-1036.38UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1036.38~14.04.2UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1036.38~16.04.1UNKNOWN
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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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

9.3%