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.

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)