CVE-2014-9645

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-12 · updated 2026-06-17
Weakness: CWE-20

Description

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.

Affected products

busybox: through 1.22.1

References

http://git.busybox.net/busybox/commit/?id=4e314faa0aecb66717418e9a47a4451aec59262b
http://openwall.com/lists/oss-security/2015/01/24/4
http://seclists.org/fulldisclosure/2020/Mar/15
http://www.securityfocus.com/bid/72324
https://bugs.busybox.net/show_bug.cgi?id=7652
https://bugzilla.redhat.com/show_bug.cgi?id=1185707
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
https://plus.google.com/+MathiasKrause/posts/PqFCo4bfrWu
https://security.gentoo.org/glsa/201503-13
https://usn.ubuntu.com/3935-1/
http://git.busybox.net/busybox/commit/?id=4e314faa0aecb66717418e9a47a4451aec59262b
http://openwall.com/lists/oss-security/2015/01/24/4

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