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Fencer Intel
medium 5.5

CVE-2018-13099 json

An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.4.

published 8y ago modified 4mo ago also EUVD-2018-5048

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.4. A denial of service (out-of-bounds memory access and BUG) can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.18.10-1

debian advisories DEBIAN-CVE-2018-13099

  • linux Ubuntu 16.04 LTS 4.4.0-145.171
  • linux Ubuntu 18.04 LTS 4.15.0-58.64
  • linux-aws Ubuntu 14.04 LTS 4.4.0-1040.43
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1079.89
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1047.49
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1040.42~16.04.1
  • linux-gcp Ubuntu 18.04 LTS 4.15.0-1040.42
  • linux-hwe Ubuntu 16.04 LTS 4.15.0-58.64~16.04.1

ubuntu advisories UBUNTU-CVE-2018-13099

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2018-13099 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-13099 updated cvss 5.0

kernel: out-of-bounds memory access in fs/f2fs/inline.c

  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, kernel-alt, python-perf, +9 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-core, kernel-tools, python3-perf, +17 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.38% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=200179 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.