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.
Advisories
Source ID Title
EUVD EUVD EUVD-2016-5545 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.
Ubuntu USN Ubuntu USN USN-3005-1 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3006-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3007-1 Linux kernel (Raspberry Pi 2) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T00:32:25.839Z

Reserved: 2016-05-06T00:00:00

Link: CVE-2016-4558

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-05-23T10:59:04.783

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-4558

cve-icon Redhat

Severity : Important

Publid Date: 2016-04-28T00:00:00Z

Links: CVE-2016-4558 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses