kernel: Missing permission check in move_pages system call
Published Sep 5, 2017
5.5
MEDIUMCVSS 3.0
EPSS 0.47%
Description
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.
Affected products
No data.
- ≤ 4.12.8
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-862.el7
Fixed · RHSA-2018:1062
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-862.rt56.804.el7
Fixed · RHSA-2018:0676
Red Hat Enterprise Linux 5
kernel
Will not fix
Red Hat Enterprise Linux 6
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-alt
Affected
Red Hat Enterprise MRG 2
realtime-kernel
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-862.el7 | Fixed | RHSA-2018:1062 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-862.rt56.804.el7 | Fixed | RHSA-2018:0676 |
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.47% (0.00469) | 38.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.47% (0.00469) | 36.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00066) | 17.74th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.22% (0.01219) | 29.99th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.22% (0.01219) | 0.00th | v1 |
References (14)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7e521384a23b9e585178f3f11c9fa08274b9 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3981 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.9 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/100876 vdb-entryx_refsource_BID
- https://access.redhat.com/errata/RHSA-2018:0676 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:1062 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-14140 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1488329 Issue Tracking
- https://github.com/torvalds/linux/commit/197e7e521384a23b9e585178f3f11c9fa08274b9 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-14140
- https://source.android.com/security/bulletin/pixel/2018-01-01 x_refsource_CONFIRM
- https://usn.ubuntu.com/3583-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3583-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-14140
Change history (0)
No recorded changes yet.