CVE-2016-4558

7.0 HIGH
Published: May 23, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/06/4
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-3005-1
Source: cve@mitre.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1
Source: cve@mitre.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1
Source: cve@mitre.org
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334303
Source: cve@mitre.org
Issue Tracking Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/05/06/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-3005-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334303
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106e
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.0 / 10.0
EPSS (Exploit Probability)
0.3%
51th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

linux canonical