CVE-2016-1237

Description

nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.01%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-3070-1 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1350845
http://www.ubuntu.com/usn/USN-3053-1 vendor advisory
http://www.openwall.com/lists/oss-security/2016/06/25/2 mailing list
http://www.ubuntu.com/usn/USN-3070-3 vendor advisory
http://www.debian.org/security/2016/dsa-3607 vendor advisory
http://www.ubuntu.com/usn/USN-3070-2 vendor advisory
https://github.com/torvalds/linux/commit/999653786df6954a31044528ac3f7a5dadca08f4 vendor advisory
http://www.securityfocus.com/bid/91456 vdb entry
http://www.ubuntu.com/usn/USN-3070-4 vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=999653786df6954a31044528ac3f7a5dadca08f4 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-1237?
CVE-2016-1237 has been scored as a medium severity vulnerability.
How to fix CVE-2016-1237?
To fix CVE-2016-1237, 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-2016-1237 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-1237 is being actively exploited. 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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