imPC@ndo IT

Tracker / CVE-2015-2925

CVE-2015-2925

Medium 6.9

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."

Affected products and versions

canonical ubuntu_linux
debian debian_linux
linux linux_kernel · … → 3.2.72
linux linux_kernel · 3.11 → 3.12.49
linux linux_kernel · 3.13 → 3.14.55
linux linux_kernel · 3.15 → 3.16.35
linux linux_kernel · 3.17 → 3.18.23
linux linux_kernel · 3.19 → 4.1.11
linux linux_kernel · 3.3 → 3.4.110
linux linux_kernel · 3.5 → 3.10.91
linux linux_kernel · 4.2 → 4.2.4

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References