What’s Vulnerable › Vulnerabilities
CVE-2016-1583
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2016-06-27 · updated 2026-06-17
- Weakness: CWE-119
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.
Affected products
- Canonical Ubuntu Linux: 12.04, 14.04, 15.10, 16.04
- Debian Linux: 8.0
- Linux kernel: from 2.6.19 before 3.18.54; from 3.19 before 4.4.14; from 4.5 before 4.6.3 — fixed in 3.18.54, 4.4.14, 4.6.3
- Novell Suse Linux Enterprise Debuginfo: 11.0-sp4
- Novell Suse Linux Enterprise Desktop: 12.0, 12.0-sp1
- Novell Suse Linux Enterprise Live Patching: 12.0
- Novell Suse Linux Enterprise Module For Public Cloud: 12
- Novell Suse Linux Enterprise Server: 11.0-extra, 11.0-sp4, 12.0, 12.0-sp1
- Novell Suse Linux Enterprise Software Development Kit: 11.0-sp4, 12.0, 12.0-sp1
- Novell Suse Linux Enterprise Workstation Extension: 12.0, 12.0-sp1
How to fix
Upgrade to a fixed version: Linux kernel 3.18.54, 4.4.14, 4.6.3. Check the vendor advisory for mitigations.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f36db71009304b3f0b95afacd8eba1f9f046b87
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html
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