CVE & CISA-KEV Catalog

CVE-2015-2925

MEDIUM
6.9
CVSS v2
NVD

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

Remediation Available
linuxDebian
Fixed in:4.2.1-1CVE-2015-2925
Fixed in:4.2.1-1CVE-2015-2925
Fixed in:4.2.1-1CVE-2015-2925
Fixed in:4.2.1-1CVE-2015-2925
linuxUbuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.13.0-67-genericUbuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.13.0-67-generic-lpaeUbuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.13.0-67-lowlatencyUbuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.13.0-67-powerpc-e500Ubuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.13.0-67-powerpc-e500mcUbuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.13.0-67-powerpc-smpUbuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.13.0-67-powerpc64-embUbuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.13.0-67-powerpc64-smpUbuntu
Fixed in:3.13.0-67.110USN-2794-1
linux-image-3.16.0-52-genericUbuntu
Fixed in:3.16.0-52.71~14.04.1USN-2797-1
linux-image-3.16.0-52-generic-lpaeUbuntu
Fixed in:3.16.0-52.71~14.04.1USN-2797-1
linux-image-3.16.0-52-lowlatencyUbuntu
Fixed in:3.16.0-52.71~14.04.1USN-2797-1
linux-image-3.16.0-52-powerpc-e500mcUbuntu
Fixed in:3.16.0-52.71~14.04.1USN-2797-1
linux-image-3.16.0-52-powerpc-smpUbuntu
Fixed in:3.16.0-52.71~14.04.1USN-2797-1
linux-image-3.16.0-52-powerpc64-embUbuntu
Fixed in:3.16.0-52.71~14.04.1USN-2797-1
linux-image-3.16.0-52-powerpc64-smpUbuntu
Fixed in:3.16.0-52.71~14.04.1USN-2797-1
linux-image-3.19.0-32-genericUbuntu
Fixed in:3.19.0-32.37~14.04.1USN-2798-1
linux-image-3.19.0-32-generic-lpaeUbuntu
Fixed in:3.19.0-32.37~14.04.1USN-2798-1
linux-image-3.19.0-32-lowlatencyUbuntu
Fixed in:3.19.0-32.37~14.04.1USN-2798-1
linux-image-3.19.0-32-powerpc-e500mcUbuntu
Fixed in:3.19.0-32.37~14.04.1USN-2798-1
linux-image-3.19.0-32-powerpc-smpUbuntu
Fixed in:3.19.0-32.37~14.04.1USN-2798-1
linux-image-3.19.0-32-powerpc64-embUbuntu
Fixed in:3.19.0-32.37~14.04.1USN-2798-1
linux-image-3.19.0-32-powerpc64-smpUbuntu
Fixed in:3.19.0-32.37~14.04.1USN-2798-1
linux-lts-utopicUbuntu
Fixed in:3.16.0-52.71~14.04.1USN-2797-1
linux-lts-vividUbuntu
Fixed in:3.19.0-32.37~14.04.1USN-2798-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.25%probability of exploitation in 30 days
66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Vendor Advisory1
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CVE-2015-2925 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.