Vulnerability Monitor

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CVE-2015-7312

Multiple race conditions in the Advanced Union Filesystem (aufs) aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service (use-after-free and BUG) or possibly gain privileges via a (1) madvise or (2) msync system call, related to mm/madvise.c and mm/msync.c.

Security Impact Summary

CVE-2015-7312 is a security vulnerability that . Impacting 3 products from linux, from canonical, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-11-16T11:59:09.527

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.4 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.4

Impact Score

6.4

Weaknesses

Type: Primary
CWE-362
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 3.19.8	Yes
Operating System	linux	linux_kernel	≤ 4.20.15	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://sourceforge.net/p/aufs/mailman/message/34449209/ Exploit, Third Party Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3364 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/09/22/10 Mailing List, Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2777-1 Third Party Advisory ([email protected])
http://sourceforge.net/p/aufs/mailman/message/34449209/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3364 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/09/22/10 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2777-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.