CVE-2015-2925

Aliases:UBUNTU-CVE-2015-2925DEBIAN-CVE-2015-2925
Advisory lineage Upstream: 0 Downstream: 22
Modified
Published: 16 Nov 2015, 11:00
Last modified:06 Aug 2024, 05:32

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
6.9 MEDIUM
v2.0 (nvd)
EPSS Score
1.25% LOW
1% probability +0.29%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Nov 2015, 11:00
Published
Vulnerability first disclosed
06 Aug 2024, 05:32
Last Modified
Vulnerability information updated

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."

CVSS Metrics

  • v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 1.25%• Percentile: 68%

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04 | 15.04

  • debian•linux

    < 4.2.1-1 | < 4.2.1-1 | < 4.2.1-1 | < 4.2.1-1

  • ubuntu•linux

    < 3.13.0-67.110

  • ubuntu•linux-azure

    all

  • ubuntu•linux-azure-6.11

    all

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fde-5.15

    all

  • ubuntu•linux-gcp

    all

  • ubuntu•linux-gcp-6.11

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gkeop

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-6.11

    all

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-lowlatency-hwe-6.11

    all

  • ubuntu•linux-lts-utopic

    < 3.16.0-52.71~14.04.1

  • ubuntu•linux-lts-vivid

    < 3.19.0-32.37~14.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-realtime

    all | all

  • ubuntu•linux-riscv

    all | all | all

  • debian•debian_linux

    7.0 | 8.0

  • linux•linux_kernel

    < 3.2.72 | ≥ 3.3, < 3.4.110 | ≥ 3.5, < 3.10.91 | ≥ 3.11, < 3.12.49 | ≥ 3.13, < 3.14.55 | ≥ 3.15, < 3.16.35 | ≥ 3.17, < 3.18.23 | ≥ 3.19, < 4.1.11 | ≥ 4.2, < 4.2.4

References (45)