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CVE-2015-7312

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Date: November 16, 2015

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.

Language: C

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2015-7312
http://www.openwall.com/lists/oss-security/2015/09/22/10
http://www.ubuntu.com/usn/USN-2777-1
http://www.debian.org/security/2015/dsa-3364
https://security-tracker.debian.org/tracker/CVE-2015-7312
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-7312
http://sourceforge.net/p/aufs/mailman/message/34449209/
https://www.mend.io/vulnerability-database/CVE-2015-7312

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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