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Fencer Vulns
medium 5.5

CVE-2018-10880 json

Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in…

published 2018-07-25 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-2944

cvss
5.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could use this to cause a system crash and a denial of service.

Patch / fix

  • linux linux_kernel 4.17.6
  • linux Debian 14, Debian 13, Debian 12 4.17.3-1

debian advisories DEBIAN-CVE-2018-10880

  • linux Ubuntu 16.04 LTS 4.4.0-139.165
  • linux Ubuntu 18.04 LTS 4.15.0-44.47
  • linux-aws Ubuntu 14.04 LTS 4.4.0-1034.37
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1072.82
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1032.34
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1027.28~16.04.1
  • linux-gcp Ubuntu 18.04 LTS 4.15.0-1027.28
  • linux-hwe Ubuntu 16.04 LTS 4.15.0-45.48~16.04.1

ubuntu advisories UBUNTU-CVE-2018-10880

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

  • kernel-alt RHEL 7 4.14.0-115.el7a
  • perf RHEL 7 4.14.0-115.el7a
  • kernel RHEL 7 4.14.0-115.el7a
  • python-perf RHEL 7 4.14.0-115.el7a
  • kernel-tools RHEL 7 4.14.0-115.el7a
  • kernel-tools-libs RHEL 7 4.14.0-115.el7a
  • kernel-bootwrapper RHEL 7 4.14.0-115.el7a
  • kernel-abi-whitelists RHEL 7 4.14.0-115.el7a

red hat advisories RHSA-2018:2948

  • kernel-syms SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 4.4.121-92.95.1
  • kernel-source SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 4.4.121-92.95.1
  • lttng-modules SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 2.7.1-9.6.1
  • kernel-default SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +3 more 4.4.121-92.95.1
  • kgraft-patch-SLE12-SP2_Update_25 SLES for SAP 12 SP2, SLES 12 SP2-LTSS, OpenStack Cloud 7 +1 more 1-3.4.1
  • kernel-ec2 SLE Module for Public Cloud 12 3.12.61-52.146.1
  • kernel-ec2 SLE Module for Public Cloud 12 3.12.74-60.64.104.1
  • kernel-azure SLES for SAP 12 SP3, SLES 12 SP3 4.4.155-4.16.1

suse advisories SUSE-SU-2018:2908-2SUSE-SU-2018:3084-1SUSE-SU-2018:3083-1SUSE-SU-2018:2908-1SUSE-SU-2018:2858-1SUSE-SU-2018:2776-1

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-2018-10880 updated cvss 5.5

kernel: stack-out-of-bounds write in ext4_update_inline_data function

  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-115.el7a, kernel 4.14.0-115.el7a, kernel-alt 4.14.0-115.el7a, python-perf 4.14.0-115.el7a, kernel-tools 4.14.0-115.el7a, kernel-tools-libs 4.14.0-115.el7a, +3 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-ppc64le 4.14.0-115.el7a
    fixed: vendor fix RHSA-2018:2948
  • 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, python-perf, kernel-kdump, +8 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

2.86% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10880 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=200005 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

  • [UNKNOWN] kernel

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns 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.