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CVE-2016-4558 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7 HIGHVector: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

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URL	Source(s)	Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92117d8443bc5afacc8d5ba82e541946310f106e	CVE	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334303	CVE	Issue TrackingThird Party Advisory
https://github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106e	CVE	Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5	CVE	Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/05/06/4	CVE	Mailing ListThird Party Advisory
http://www.ubuntu.com/usn/USN-3005-1	CVE	Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1	CVE	Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1	CVE	Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92117d8443bc5afacc8d5ba82e541946310f106e	[email protected]	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334303	[email protected]	Issue TrackingThird Party Advisory
https://github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106e	[email protected]	Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5	[email protected]	Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/05/06/4	[email protected]	Mailing ListThird Party Advisory
http://www.ubuntu.com/usn/USN-3005-1	[email protected]	Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1	[email protected]	Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1	[email protected]	Third Party Advisory

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 4.4, < 4.4.11 >= 4.5, < 4.5.5
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
canonical ubuntu linux	14.04 16.04
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts::: Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 7, 2023	Reanalysis	[email protected]
Aug 2, 2016	Modified Analysis	[email protected]
Jul 27, 2016	CVE Modified	[email protected]
May 24, 2016	Modified Analysis	[email protected]
May 24, 2016	Initial Analysis	[email protected]