kernel: Buffer overflow in fs/f2fs/inline.c:truncate_inline_inode() when unmounting a crafted f2fs image
Published Jul 27, 2018
5.5
MEDIUMCVSS 3.0
EPSS 2.27%
Description
An issue was discovered in the Linux kernel through 4.17.10. There is a buffer overflow in truncate_inline_inode() in fs/f2fs/inline.c when umounting an f2fs image, because a length value may be negative.
Affected products
No data.
- ≤ 4.17.10
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not 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 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-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:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:M/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.27% (0.02266) | 82.42th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.30% (0.02296) | 82.51th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.07% (0.04074) | 90.27th | v5 (v2026.06.15) |
| Sep 20, 2026 | 2.30% (0.02296) | 82.50th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.31% (0.02306) | 82.22th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.09% (0.04093) | 90.09th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.31% (0.02306) | 82.13th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.09% (0.04093) | 90.03th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.31% (0.02306) | 82.03th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.09% (0.04093) | 89.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.31% (0.02306) | 81.03th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00094) | 40.21th | v3 (v2023.03.01) |
| Jul 21, 2023 | 0.09% (0.00091) | 38.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00077) | 31.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v1 |
| Jan 6, 2022 | 1.04% (0.01040) | 27.69th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- http://www.securityfocus.com/bid/104917 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-14615 Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=200421 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1610102 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-14615
- https://usn.ubuntu.com/4094-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/4118-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-14615
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104917 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-14615 | Vendor Advisory | |
| https://bugzilla.kernel.org/show_bug.cgi?id=200421 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1610102 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-14615 | ||
| https://usn.ubuntu.com/4094-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://usn.ubuntu.com/4118-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2018-14615 |
Change history (0)
No recorded changes yet.