CVE-2016-4558
Public on 2016-05-18
Modified on 2016-05-18
Description
A flaw was found in the Linux kernel's implementation of BPF in which systems can application can overflow a 32 bit refcount in both program and map refcount. This refcount can wrap and end up a user after free.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2016-05-18 | ALAS-2016-703 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv2 | 7.2 | AV:L/AC:L/Au:N/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:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |