CVE-2015-2925
linux-2.6 - security update
EPSS 0.75%
Description
The prepend_path function in fs/dcache.c in the Linux kernel before 4.2.4 does not properly handle rename actions inside a bind mount, which allows local users to bypass an intended container protection mechanism by renaming a directory, related to a "double-chroot attack."
How to fix CVE-2015-2925
To remediate CVE-2015-2925, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 4.2.1-1 or later
- Debian/linux-2.6—upgrade to 2.6.32-48squeeze16 or later
Is CVE-2015-2925 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.2.1-1
- from 0, < 2.6.32-48squeeze16