Buffer overflow in Linux Kernel
CVE-2016-1583
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Linux Kernel
- Novell SUSE Linux Enterprise Debuginfo — versions 11.0
- Novell SUSE Linux Enterprise Desktop — versions 12.0
- Novell SUSE Linux Enterprise Live Patching — versions 12.0
- Novell SUSE Linux Enterprise Module For Public Cloud — versions 12
- Novell SUSE Linux Enterprise Server — versions 11.0, 12.0
- Novell SUSE Linux Enterprise Software Development Kit — versions 11.0, 12.0
- Novell SUSE Linux Enterprise Workstation Extension — versions 12.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
- ARPSyndicate/cvemon
- R0B1NL1N/linux-kernel-exploitation
- Technoashofficial/kernel-exploitation-linux
- kdn111/linux-kernel-exploitation
- khanhdn111/linux-kernel-exploitation
- khanhdz-06/linux-kernel-exploitation
- khanhdz191/linux-kernel-exploitation
- khanhhdz/linux-kernel-exploitation
- khanhhdz06/linux-kernel-exploitation
- khanhnd123/linux-kernel-exploitation
References
- www.ubuntu.com/usn/USN-3006-1 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3004-1 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html (vendor-advisory, Mailing List, Third Party Advisory)
- github.com/torvalds/linux/commit/f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d (Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2016-2766.html (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3001-1 (vendor-advisory, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3 (Release Notes, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html (vendor-advisory, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-1583?
- CVE-2016-1583 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-06-27.
- How severe is CVE-2016-1583?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-1583 known to be exploited?
- 18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.