CVE-2020-15704
ppp: Privilege escalation through loading of arbitrary kernel modules and other programs
Severity
UnknownRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 5, 2020
Updated · November 22, 2025
Description
A flaw in the Linux ppp daemon functionality was found in the way possibility of unexpected loading ppp_generic module during ppp daemon startup.
Statement
Red Hat Product Security does not consider this to be a vulnerability in a Red Hat product as this issue resides in Ubuntu specific patch.
Moreover, the described problem that ppp daemon can load module ppp_generic on startup, and this considered to be potentially dangerous, because user can install fake ppp_generic module instead of real. However, only user with high privileges can install new ppp_generic module to correct path for modprobe, so if user have high privileges, then he can load any module he wants anyway.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:N
CWE-552 · Files or Directories Accessible to External Parties