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Fencer Intel
high 8.0

CVE-2019-10220 json

Linux kernel CIFS implementation, version 4.9.0 is vulnerable to a relative paths injection in directory entry lists.

published 6y ago modified 4mo ago also EUVD-2019-2233

cvss
8.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Linux kernel CIFS implementation, version 4.9.0 is vulnerable to a relative paths injection in directory entry lists.

Patch / fix

  • linux linux_kernel 3.16.81, 4.4.208, 4.9.208, 4.14.162, 4.19.93, 5.3.8
  • linux Debian 14, Debian 13, Debian 12 5.3.9-1

debian advisories DEBIAN-CVE-2019-10220

  • linux Ubuntu 16.04 LTS 4.4.0-173.203
  • linux Ubuntu 18.04 LTS 4.15.0-88.88
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1101.112
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1060.62
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1055.59
  • linux-gcp Ubuntu 18.04 LTS 5.0.0-1028.29~18.04.1
  • linux-hwe Ubuntu 16.04 LTS 4.15.0-88.88~16.04.1
  • linux-hwe Ubuntu 18.04 LTS 5.3.0-26.28~18.04.1

ubuntu advisories UBUNTU-CVE-2019-10220

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-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.7.1
  • kernel-syms-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.7.1
  • kernel-source-azure SLES for SAP 12 SP5, SLES 12 SP5 4.12.14-16.7.1
  • kernel-rt Real Time Module 15 SP1 4.12.14-14.14.3
  • kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.14.2
  • kernel-rt_debug Real Time Module 15 SP1 4.12.14-14.14.3
  • kernel-source-rt Real Time Module 15 SP1 4.12.14-14.14.2
  • kernel-rt SLE Real Time 12 SP4 4.12.14-8.9.3

suse advisories SUSE-SU-2020:0183-1SUSE-SU-2020:0093-1SUSE-SU-2019:3295-1SUSE-SU-2019:3294-1SUSE-SU-2019:3263-1SUSE-SU-2019:3261-1

  • kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.32.1
  • kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.32.1
  • kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.32.1
  • kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.32.1
  • kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.32.1
  • kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.32.1
  • kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.32.1
  • kernel-syms openSUSE Leap 15.0 4.12.14-lp150.12.82.1

opensuse advisories openSUSE-SU-2019:2507-1openSUSE-SU-2019:2503-1

Is CVE-2019-10220 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.

Check with Fencer

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-2019-10220 updated cvss 8.0

kernel: CIFS: Relative paths injection in directory entry lists

  • Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    under investigation
  • 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-rt, kernel-core, kernel-tools, +29 more
    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

5.12% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 8.0 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • SUSE kernel:

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
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.