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CVE-2015-8709

Public on 2016-02-08
Modified on 2016-02-09
Description

A privilege-escalation vulnerability was discovered in the Linux kernel built with User Namespace (CONFIG_USER_NS) support. The flaw occurred when the ptrace() system call was used on a root-owned process to enter a user namespace. A privileged namespace user could exploit this flaw to potentially escalate their privileges on the system, outside the original namespace.

Severity
Important
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CVSS v3 Base Score
6.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2016-02-09 13:30 ALAS-2016-648

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 6.0 AV:L/AC:H/Au:S/C:C/I:C/A:C
NVD CVSSv2 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C
NVD CVSSv3 7.0 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H