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Fencer Intel
medium 5.5

CVE-2014-9645 json

The add_probe function in modutils/modprobe.c in BusyBox before 1.23.0 allows local users to bypass intended restrictions on loading kernel…

published 2017-03-12 9 y ago modified 2026-06-17 4 mo ago also EUVD-2014-9455

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

The add_probe function in modutils/modprobe.c in BusyBox before 1.23.0 allows local users to bypass intended restrictions on loading kernel modules via a / (slash) character in a module name, as demonstrated by an "ifconfig /usbserial up" command or a "mount -t /snd_pcm none /" command.

Patch / fix

  • busybox Debian 14, Debian 13, Debian 12 1:1.22.0-15

debian advisories DEBIAN-CVE-2014-9645

  • busybox Ubuntu 14.04 LTS 1:1.21.0-1ubuntu1.4

ubuntu advisories UBUNTU-CVE-2014-9645

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

  • busybox SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 1.35.0-150400.3.8.1
  • busybox-links openSUSE Leap 15.4 1.35.0-150400.4.3.14
  • busybox SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +18 more 1.35.0-150000.4.14.1
  • busybox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +5 more 1.35.0-4.3.1
  • busybox SLES for SAP 12, SLES 12, SLED 12 1.21.1-3.3

suse advisories SUSE-SU-2022:4371-1SUSE-SU-2022:4260-1SUSE-SU-2022:4253-1SUSE-SU-2015:1445-1

  • busybox openSUSE Tumbleweed 1.35.0-6.1

opensuse advisories openSUSE-SU-2024:12415-1

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-2014-9645 updated cvss 1.0

busybox: unprivileged arbitrary module load via basename abuse

  • Red Hat Enterprise Linux 4 busybox Red Hat Enterprise Linux 5 busybox Red Hat Enterprise Linux 6 busybox, busybox-petitboot
    affected: no fix planned “Will not fix”

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

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

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.