CVE-2015-7312

Public Exploit

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.

Category

4.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory debian.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2015/dsa-3364 third party advisory vendor advisory
http://sourceforge.net/p/aufs/mailman/message/34449209/ mailing list third party advisory exploit
http://www.openwall.com/lists/oss-security/2015/09/22/10 third party advisory mailing list
http://www.ubuntu.com/usn/USN-2777-1 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-7312?
CVE-2015-7312 has been scored as a medium severity vulnerability.
How to fix CVE-2015-7312?
To fix CVE-2015-7312, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-7312 being actively exploited in the wild?
It is possible that CVE-2015-7312 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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