kernel: out-of-bounds memory access in fs/f2fs/super.c
Published Jul 3, 2018
5.5
MEDIUMCVSS 3.1
EPSS 2.54%
Description
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.
Affected products
No data.
Configuration 1
- ≤ 4.14
Configuration 2
- 8.0
Configuration 3
- 14.04
- 16.04
- 16.04
- 18.04
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.54% (0.02544) | 84.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.57% (0.02567) | 83.06th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.41% (0.00407) | 58.20th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.50% (0.01496) | 69.30th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.41% (0.00407) | 59.01th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00247) | 65.21th | v3 (v2023.03.01) |
| May 9, 2024 | 0.25% (0.00247) | 64.52th | v3 (v2023.03.01) |
| Nov 24, 2023 | 0.25% (0.00247) | 62.52th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.24% (0.00241) | 61.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00174) | 52.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.54% (0.01537) | 74.26th | v2 (v2022.01.01) |
| Dec 30, 2022 | 5.13% (0.05132) | 89.14th | v2 (v2022.01.01) |
| Dec 29, 2022 | 1.54% (0.01537) | 73.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.07% (0.03068) | 65.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.07% (0.03068) | 0.00th | v1 |
References (15)
- http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-13096 Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=200167 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1597782 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3 x_refsource_CONFIRMMailing ListPatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3 x_refsource_MISCMailing ListPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-13096
- https://seclists.org/bugtraq/2019/Jan/52 mailing-listx_refsource_BUGTRAQMailing ListPatchThird Party Advisory
- https://usn.ubuntu.com/3821-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3821-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4094-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4118-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-13096
Change history (0)
No recorded changes yet.