kernel: divide-by-zero in fs/f2fs/super.c
Published Jul 3, 2018
5.5
MEDIUMCVSS 3.0
EPSS 2.32%
Description
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secs_per_zone in a corrupted f2fs image, as demonstrated by a divide-by-zero error.
Affected products
No data.
Configuration 1
- ≤ 4.17.3
Configuration 2
- 8.0
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
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: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 4, 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 (21 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 2.32% (0.02318) | 82.85th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.32% (0.02318) | 82.69th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.59% (0.04588) | 91.23th | v5 (v2026.06.15) |
| Sep 20, 2026 | 2.32% (0.02318) | 82.68th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.36% (0.02358) | 82.65th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.67% (0.04668) | 91.17th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.36% (0.02358) | 82.56th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.67% (0.04668) | 91.12th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.36% (0.02358) | 82.46th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.67% (0.04668) | 91.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.36% (0.02358) | 81.49th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.12% (0.00120) | 28.52th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00246) | 65.19th | v3 (v2023.03.01) |
| May 9, 2024 | 0.25% (0.00246) | 64.49th | v3 (v2023.03.01) |
| Nov 24, 2023 | 0.25% (0.00246) | 62.49th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.24% (0.00240) | 61.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00173) | 52.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.48% (0.02476) | 54.92th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.48% (0.02476) | 0.00th | v1 |
References (15)
- http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html vendor-advisoryx_refsource_SUSE
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html x_refsource_MISC
- http://www.securityfocus.com/bid/104679 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-13100 Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=200183 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1597814 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=42bf546c1fe3f3654bdf914e977acbc2b80a5be5 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-13100
- https://seclists.org/bugtraq/2019/Jan/52 mailing-listx_refsource_BUGTRAQ
- https://usn.ubuntu.com/3932-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3932-2/ vendor-advisoryx_refsource_UBUNTU
- 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-2018-13100
Change history (0)
No recorded changes yet.