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Vulnerability record · CVE-2015-4004 · published 7 June 2015

CVE-2015-4004: Canonical ubuntu linux memory buffer overflow vulnerability

Canonical · Ubuntu Linux

The OZWPAN driver in the Linux kernel through 4.0.5 relies on an untrusted length field during packet parsing, which allows remote attackers to obtain sensitive information from kernel memory or cause a denial of service (out-of-bounds read and system crash) via a crafted packet.

8.5 CVSS 2.0 High EPSS 8.1% · top 5.4% CWE-119 · Memory buffer overflow
8.5CVSS 2.0 base score
8.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
20References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The OZWPAN driver in the Linux kernel through 4.0.5 relies on an untrusted length field during packet parsing, which allows remote attackers to obtain sensitive information from kernel memory or cause a denial of service (out-of-bounds read and system crash) via a crafted packet.

AV:N/AC:L/Au:N/C:P/I:N/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://openwall.com/lists/oss-security/2015/06/05/7 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/74669 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2989-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2998-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3000-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3001-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3002-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1 Third Party Advisory
https://lkml.org/lkml/2015/5/13/739 ExploitVendor Advisory
http://openwall.com/lists/oss-security/2015/06/05/7 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/74669 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2989-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2998-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3000-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3001-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3002-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1 Third Party Advisory
https://lkml.org/lkml/2015/5/13/739 ExploitVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-4004), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.