CVE-2016-1583

Public Exploit

Description

The ecryptfs_privileged_open function in fs/ecryptfs/kthread.c in the Linux kernel before 4.6.3 allows local users to gain privileges or cause a denial of service (stack memory consumption) via vectors involving crafted mmap calls for /proc pathnames, leading to recursive pagefault handling.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.29%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory chromium.org Vendor Advisory github.com Vendor Advisory github.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-3006-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3004-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html mailing list third party advisory vendor advisory
https://github.com/torvalds/linux/commit/f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2766.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3001-1 third party advisory vendor advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3 release notes vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html mailing list third party advisory vendor advisory
https://www.exploit-db.com/exploits/39992/ exploit vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3005-1 third party advisory vendor advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=836 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html mailing list third party advisory vendor advisory
http://www.securityfocus.com/bid/91157 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2999-1 third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f36db71009304b3f0b95afacd8eba1f9f046b87 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html mailing list third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/06/10/8 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2997-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3000-1 third party advisory vendor advisory
https://github.com/torvalds/linux/commit/f0fe970df3838c202ef6c07a4c2b36838ef0a88b third party advisory
http://www.debian.org/security/2016/dsa-3607 third party advisory vendor advisory
http://www.securitytracker.com/id/1036763 vdb entry third party advisory
https://github.com/torvalds/linux/commit/2f36db71009304b3f0b95afacd8eba1f9f046b87 vendor advisory
http://www.ubuntu.com/usn/USN-3002-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2996-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00027.html third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2760 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3007-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html mailing list third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2124.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3003-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html mailing list third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/06/22/1 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html mailing list third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1344721 issue tracking vdb entry
http://www.ubuntu.com/usn/USN-2998-1 third party advisory vendor advisory
http://packetstormsecurity.com/files/137560/Linux-ecryptfs-Stack-Overflow.html vdb entry third party advisory
http://www.ubuntu.com/usn/USN-3008-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-1583?
CVE-2016-1583 has been scored as a high severity vulnerability.
How to fix CVE-2016-1583?
To fix CVE-2016-1583, 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-2016-1583 being actively exploited in the wild?
It is possible that CVE-2016-1583 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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