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CVE-2016-4470

Public on 2016-06-27
Modified on 2016-08-17
Description

A flaw was found in the Linux kernel's keyring handling code: the key_reject_and_link() function could be forced to free an arbitrary memory block. An attacker could use this flaw to trigger a use-after-free condition on the system, potentially allowing for privilege escalation.

Severity
Important
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2016-08-01 13:30 ALAS-2016-726

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C
Amazon Linux CVSSv3 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C