CVE-2015-2925
Medium
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."
SeverityMedium
CVSS6.9
Exploit probability—
Product
Linux Kernel
PublishedNov 16, 2015
First seenNov 16, 2015
How to fix
Update
- linux linux_kernel3.2.72, 3.4.110, 3.10.91, 3.12.49, 3.14.55, 3.16.35, 3.18.23, 4.1.11, 4.2.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.2.72, 3.3 ≤ v < 3.4.110, 3.5 ≤ v < 3.10.91, 3.11 ≤ v < 3.12.49, 3.13 ≤ v < 3.14.55, 3.15 ≤ v < 3.16.35, 3.17 ≤ v < 3.18.23, 3.19 ≤ v < 4.1.11, 4.2 ≤ v < 4.2.4 | 3.2.72, 3.4.110, 3.10.91, 3.12.49, 3.14.55, 3.16.35, 3.18.23, 4.1.11, 4.2.4 |
| debian debian_linux | 7.0, 8.0 | — |
| canonical ubuntu_linux | 12.04, 14.04, 15.04 | — |
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