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ubuntuUbuntuUSN-4031-1
HistoryJun 24, 2019 - 12:00 a.m.

Linux kernel vulnerability

2019-06-2400:00:00
ubuntu.com
112

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.2 High

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0005 Low

EPSS

Percentile

15.6%

Releases

  • Ubuntu 19.04
  • Ubuntu 18.10
  • Ubuntu 18.04 ESM

Packages

  • linux - Linux kernel
  • linux-hwe - Linux hardware enablement (HWE) kernel

Details

It was discovered that the Linux kernel did not properly separate certain
memory mappings when creating new userspace processes on 64-bit Power
(ppc64el) systems. A local attacker could use this to access memory
contents or cause memory corruption of other processes on the system.

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.2 High

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0005 Low

EPSS

Percentile

15.6%