kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service
Published Mar 1, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.47%
Description
The madvise_willneed function in mm/madvise.c in the Linux kernel before 4.14.4 allows local users to cause a denial of service (infinite loop) by triggering use of MADVISE_WILLNEED for a DAX mapping.
Affected products
No data.
- < 4.14.4
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-957.el7
Fixed · RHSA-2018:3083
Red Hat Enterprise Linux 7
kernel-alt-0:4.14.0-115.el7a
Fixed · RHSA-2018:2948
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-957.rt56.910.el7
Fixed · RHSA-2018:3096
Red Hat Enterprise Linux 7.4 Advanced Update Support
kernel-0:3.10.0-693.61.1.el7
Fixed · RHSA-2019:4058
Red Hat Enterprise Linux 7.4 Telco Extended Update Support
kernel-0:3.10.0-693.61.1.el7
Fixed · RHSA-2019:4058
Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions
kernel-0:3.10.0-693.61.1.el7
Fixed · RHSA-2019:4058
Red Hat Enterprise Linux 7.5 Extended Update Support
kernel-0:3.10.0-862.44.2.el7
Fixed · RHSA-2019:3967
Red Hat Enterprise MRG 2
kernel-rt-1:3.10.0-693.61.1.rt56.656.el6rt
Fixed · RHSA-2019:4057
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-957.el7 | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux 7 | kernel-alt-0:4.14.0-115.el7a | Fixed | RHSA-2018:2948 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-957.rt56.910.el7 | Fixed | RHSA-2018:3096 |
| Red Hat Enterprise Linux 7.4 Advanced Update Support | kernel-0:3.10.0-693.61.1.el7 | Fixed | RHSA-2019:4058 |
| Red Hat Enterprise Linux 7.4 Telco Extended Update Support | kernel-0:3.10.0-693.61.1.el7 | Fixed | RHSA-2019:4058 |
| Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions | kernel-0:3.10.0-693.61.1.el7 | Fixed | RHSA-2019:4058 |
| Red Hat Enterprise Linux 7.5 Extended Update Support | kernel-0:3.10.0-862.44.2.el7 | Fixed | RHSA-2019:3967 |
| Red Hat Enterprise MRG 2 | kernel-rt-1:3.10.0-693.61.1.rt56.656.el6rt | Fixed | RHSA-2019:4057 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not 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: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 | 0.47% (0.00466) | 38.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.50% (0.00502) | 38.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00060) | 15.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.33% (0.02331) | 53.76th | v1 |
| Jan 6, 2022 | 2.33% (0.02331) | 53.30th | v1 |
| Sep 1, 2021 | 2.33% (0.02331) | 78.26th | v1 |
| Apr 14, 2021 | 2.33% (0.02331) | 0.00th | v1 |
References (22)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91 x_refsource_MISCVendor Advisory
- https://access.redhat.com/errata/RHSA-2018:2948 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:3083 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:3096 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:3967 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:4057 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:4058 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-18208 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1551565 Issue Tracking
- https://github.com/torvalds/linux/commit/6ea8d958a2c95a1d514015d4e29ba21a8c0a1a91 x_refsource_MISCThird Party Advisory
- https://lwn.net/Articles/618064/
- https://nvd.nist.gov/vuln/detail/CVE-2017-18208
- https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3653-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3653-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3655-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3655-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3657-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-18208
- https://www.kernel.org/doc/Documentation/filesystems/dax.txt
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4 x_refsource_MISCVendor Advisory
Change history (0)
No recorded changes yet.