CVE-2016-10318

Description

A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel before 4.7.4 allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.35% Top 25%
Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.4 release notes vendor advisory
https://github.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98 third party advisory patch
http://www.securityfocus.com/bid/97404 third party advisory vdb entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=163ae1c6ad6299b19e22b4a35d5ab24a89791a98 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-10318?
CVE-2016-10318 has been scored as a medium severity vulnerability.
How to fix CVE-2016-10318?
To fix CVE-2016-10318, 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-2016-10318 being actively exploited in the wild?
It is possible that CVE-2016-10318 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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