CVE-2015-7312

Summary

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.

Impact & exploitability

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

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

• NVD record
• http://www.debian.org/security/2015/dsa-3364Advisory
• http://www.openwall.com/lists/oss-security/2015/09/22/10Advisory
• http://www.ubuntu.com/usn/USN-2777-1Advisory
• http://sourceforge.net/p/aufs/mailman/message/34449209/Advisory