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TI-2016-01443 Aliases CVE-2016-1583GHSA-hgx4-cgxm-99gj

The ecryptfs_privileged_open function in fs/ecryptfs/kthread.c in the Linux kernel before…

Priority LOW 37CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 14 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01393 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Partial Red Hat: 3 advisoriesRed Hat: 14 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*2.6.19 to before 3.18.54; 3.19 to before 4.4.14; 4.5 to before 4.6.3VulnerableLinux
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:11.0:sp4:*:*:*:*:*:*11.0 sp4VulnerableNovell
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:*12.0VulnerableNovell
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*12.0 sp1VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_debuginfo:11.0:sp4:*:*:*:*:*:*11.0 sp4VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:*12.0VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:*12.0 sp1VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_live_patching:12.0:*:*:*:*:*:*:*12.0VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_module_for_public_cloud:12:*:*:*:*:*:*:*12VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:extra:*:*:*:*:*:*11.0 extraVulnerableNovell
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.19 to before 3.18.54; 3.19 to before 4.4.14; 4.5 to before 4.6.3 Vulnerable ·Linux
  • cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:11.0:sp4:*:*:*:*:*:* Versions 11.0 sp4 Vulnerable ·Novell
  • cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
  • cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_debuginfo:11.0:sp4:*:*:*:*:*:* Versions 11.0 sp4 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_live_patching:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_module_for_public_cloud:12:*:*:*:*:*:*:* Versions 12 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:extra:*:*:*:*:*:* Versions 11.0 extra Vulnerable ·Novell
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp4:*:*:*:*:*:*11.0 sp4VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:*:*:*:*12.0VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*12.0 sp1VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_workstation_extension:12.0:*:*:*:*:*:*:*12.0VulnerableNovell
cpe:2.3:o:novell:suse_linux_enterprise_workstation_extension:12.0:sp1:*:*:*:*:*:*12.0 sp1VulnerableNovell
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*15.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*16.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp4:*:*:*:*:*:* Versions 11.0 sp4 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_workstation_extension:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
  • cpe:2.3:o:novell:suse_linux_enterprise_workstation_extension:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

Red Hat 3 advisories

  • RHSA-2017:2760 Released 2017-09-19 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux HPC Node EUS (v. 6.7) kernel-2.6.32-573.47.1.el6, kernel-abi-whitelists-2.6.32-573.47.1.el6, kernel-debug-2.6.32-573.47.1.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) python-perf-2.6.32-573.47.1.el6
    • Red Hat Enterprise Linux Server EUS (v. 6.7) kernel-2.6.32-573.47.1.el6, kernel-abi-whitelists-2.6.32-573.47.1.el6, kernel-bootwrapper-2.6.32-573.47.1.el6 +9
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.7) python-perf-2.6.32-573.47.1.el6
  • RHSA-2016:2766 Released 2016-11-15 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-642.11.1.el6, kernel-abi-whitelists-2.6.32-642.11.1.el6, kernel-debug-2.6.32-642.11.1.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-642.11.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-642.11.1.el6, kernel-abi-whitelists-2.6.32-642.11.1.el6, kernel-debug-2.6.32-642.11.1.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-642.11.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-642.11.1.el6, kernel-abi-whitelists-2.6.32-642.11.1.el6, kernel-bootwrapper-2.6.32-642.11.1.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-642.11.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-642.11.1.el6, kernel-abi-whitelists-2.6.32-642.11.1.el6, kernel-debug-2.6.32-642.11.1.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-642.11.1.el6
  • RHSA-2016:2124 Released 2016-10-28 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-416.el5, kernel-2.6.18-416.el5.ia64, kernel-PAE-2.6.18-416.el5 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-416.el5, kernel-PAE-2.6.18-416.el5, kernel-PAE-devel-2.6.18-416.el5 +8

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise MRG 2AffectedNo fix yet
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2016:2124
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2016:2124
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2016:2766
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2016:2766
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2016:2766
Red Hat Enterprise Linux HPC Node EUS (v. 6.7)Fixed RHSA-2017:2760
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2016:2766
Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7)Fixed RHSA-2017:2760
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2016:2766
Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2017:2760
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2016:2766
Red Hat Enterprise Linux Server Optional EUS (v. 6.7)Fixed RHSA-2017:2760
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2016:2766
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2016:2766
Not affected: 1 product
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-1583
  2. 2026-10-03 Alias added: GHSA-hgx4-cgxm-99gj

References

Exploit 1

Advisory 46

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences