kernel: Out of bound access in hugetlb_mcopy_atomic_pte function in mm/hugetlb.c
Published Jan 14, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.41%
Description
A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13.12. A lack of size check could cause a denial of service (BUG).
Affected products
- Vendor n/a Product Linux kernel before 4.13.12 Defaultn/a
- Version Linux kernel before 4.13.12StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Linux kernel before 4.13.12 | n/a |
|
Configuration 1
- ≤ 4.13.11
Configuration 2
- 7.0
- 2.0
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6 and kernel-alt. This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7, realtime and MRG-2. Future Linux kernel updates for the respective releases may address this issue.
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:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:L/Au:N/C:N/I:N/A:C
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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.41% (0.00411) | 32.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.42% (0.00419) | 33.27th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00046) | 11.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.55% (0.01550) | 33.66th | v1 |
| Jan 6, 2022 | 1.55% (0.01550) | 32.96th | v1 |
| Sep 1, 2021 | 1.55% (0.01550) | 73.01th | v1 |
| Apr 14, 2021 | 1.55% (0.01550) | 0.00th | v1 |
References (7)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e3921471354244f70fe268586ff94a97a6dd4df x_refsource_MISCPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2017-15128 x_refsource_MISCThird Party AdvisoryVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1525222 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/1e3921471354244f70fe268586ff94a97a6dd4df x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-15128
- https://www.cve.org/CVERecord?id=CVE-2017-15128
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.12 x_refsource_MISCIssue TrackingRelease NotesVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e3921471354244f70fe268586ff94a97a6dd4df | x_refsource_MISCPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2017-15128 | x_refsource_MISCThird Party AdvisoryVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1525222 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://github.com/torvalds/linux/commit/1e3921471354244f70fe268586ff94a97a6dd4df | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15128 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-15128 | ||
| https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.12 | x_refsource_MISCIssue TrackingRelease NotesVendor Advisory |
Change history (0)
No recorded changes yet.