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Fencer Vulns
medium 5.5

CVE-2017-14140 json

The move_pages system call in mm/migrate.c in the Linux kernel before 4.12.9 doesn't check the effective uid of the target process, enablin…

published 2017-09-05 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-5651

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

The move_pages system call in mm/migrate.c in the Linux kernel before 4.12.9 doesn't check the effective uid of the target process, enabling a local attacker to learn the memory layout of a setuid executable despite ASLR.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.12.12-1

debian advisories DEBIAN-CVE-2017-14140

  • linux Ubuntu 14.04 LTS 3.13.0-142.191
  • linux Ubuntu 16.04 LTS 4.4.0-97.120
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1038.47
  • linux-gcp Ubuntu 16.04 LTS 4.13.0-1002.5
  • linux-gke Ubuntu 16.04 LTS 4.4.0-1032.32
  • linux-hwe Ubuntu 16.04 LTS 4.13.0-32.35~16.04.1
  • linux-kvm Ubuntu 16.04 LTS 4.4.0-1008.13
  • linux-azure Ubuntu 16.04 LTS 4.13.0-1005.7

ubuntu advisories UBUNTU-CVE-2017-14140

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 7 3.10.0-862.el7
  • perf RHEL 7 3.10.0-862.el7
  • python-perf RHEL 7 3.10.0-862.el7
  • kernel-kdump RHEL 7 3.10.0-862.el7
  • kernel-tools RHEL 7 3.10.0-862.el7
  • kernel-tools-libs RHEL 7 3.10.0-862.el7
  • kernel-bootwrapper RHEL 7 3.10.0-862.el7
  • kernel-abi-whitelists RHEL 7 3.10.0-862.el7

red hat advisories RHSA-2018:1062RHSA-2018:0676

  • kernel-ec2 SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-pae SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-syms SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-trace SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-source SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-default SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.106.11.1
  • kernel-ec2 SLES for SAP 11 SP4, SLES 11 SP4 3.0.101-108.18.1

suse advisories SUSE-SU-2018:0040-1SUSE-SU-2017:3265-1SUSE-SU-2017:2920-1SUSE-SU-2017:2908-1SUSE-SU-2017:2694-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-14140 updated cvss 3.3

kernel: Missing permission check in move_pages system call

  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 perf, kernel, python-perf, kernel-kdump, kernel-tools, kernel-tools-libs, +2 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    affected: no fix available
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-862.el7, kernel 3.10.0-862.el7, python-perf 3.10.0-862.el7, kernel-tools 3.10.0-862.el7, kernel-tools-libs 3.10.0-862.el7, kernel-abi-whitelists 3.10.0-862.el7, +1 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-862.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-862.el7, kernel 3.10.0-862.el7, python-perf 3.10.0-862.el7, kernel-tools 3.10.0-862.el7, kernel-tools-libs 3.10.0-862.el7, kernel-abi-whitelists 3.10.0-862.el7, +1 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-862.el7
    fixed: vendor fix RHSA-2018:1062
  • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-862.rt56.804.el7, kernel-rt-trace 3.10.0-862.rt56.804.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-862.rt56.804.el7 Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-862.rt56.804.el7, kernel-rt-kvm 3.10.0-862.rt56.804.el7, kernel-rt-trace 3.10.0-862.rt56.804.el7, kernel-rt-debug-kvm 3.10.0-862.rt56.804.el7, kernel-rt-trace-kvm 3.10.0-862.rt56.804.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-862.rt56.804.el7
    fixed: vendor fix RHSA-2018:0676
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-862.el7, kernel 3.10.0-862.el7, python-perf 3.10.0-862.el7, kernel-kdump 3.10.0-862.el7, kernel-tools 3.10.0-862.el7, kernel-tools-libs 3.10.0-862.el7, +6 more Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-862.el7, kernel-debuginfo-common-x86_64 3.10.0-862.el7, kernel-debuginfo-common-ppc64le 3.10.0-862.el7 Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-862.el7, kernel 3.10.0-862.el7, python-perf 3.10.0-862.el7, kernel-tools 3.10.0-862.el7, kernel-tools-libs 3.10.0-862.el7, kernel-abi-whitelists 3.10.0-862.el7, +1 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-862.el7
    fixed: vendor fix RHSA-2018:1062

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.