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CVE-2018-13100

21
FAUCET Score

CVE-2018-13100 describes a divide-by-zero error in the Linux kernel's f2fs filesystem driver (fs/f2fs/super.c) through version 4.17.3. This vulnerability arises from improper validation of the 'secs_per_zone' parameter within a corrupted f2fs image, primarily affecting Debian and other Linux distributions utilizing this kernel version. With a CVSS score of 5.5 (Medium), this issue has a local attack vector and low attack complexity, potentially leading to a denial-of-service (DoS) condition. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.17.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.36%
Probability of exploitation in next 30 days
EPSS Percentile
82.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0236 is in the 92nd percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2018-13100Low

kernel: divide-by-zero in fs/f2fs/super.c

Jun 22, 2018

References

lists.opensuse.org / opensuse-security-announce/2018-10/msg00033.html
packetstormsecurity.com / files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
bugzilla.kernel.org / show_bug.cgi
Issue TrackingThird Party Advisory
git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
lists.debian.org / debian-lts-announce/2019/03/msg00017.html
Third Party Advisory
seclists.org / bugtraq/2019/Jan/52
usn.ubuntu.com / 3932-1
usn.ubuntu.com / 3932-2
usn.ubuntu.com / 4094-1
usn.ubuntu.com / 4118-1
securityfocus.com / bid/104679
Third Party AdvisoryVDB Entry