Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.0.0, <= 3.19.8 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://sourceforge.net/p/aufs/mailman/message/34449209/ExploitThird Party Advisory
- http://www.debian.org/security/2015/dsa-3364Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/09/22/10Mailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-2777-1Third Party Advisory
- http://sourceforge.net/p/aufs/mailman/message/34449209/ExploitThird Party Advisory
- http://www.debian.org/security/2015/dsa-3364Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/09/22/10Mailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-2777-1Third Party Advisory
FAQ
What is CVE-2015-7312?
CVE-2015-7312 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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-afte...
How severe is CVE-2015-7312?
CVE-2015-7312 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7312?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux.