CVEvulnerability

CVE-2016-4558

7.0 HIGH Published 2016-05-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-05-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C

Description

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted application on (1) a system with more than 32 Gb of memory, related to the program reference count or (2) a 1 Tb system, related to the map reference count.

Affected configurations

• linux linux kernel (>= 4.4 < 4.4.11) • linux linux kernel (>= 4.5 < 4.5.5) • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04

References