CVE-2020-12114

MEDIUM

Linux Kernel 4.4.0-4.4.220 - Denial of Service via pivot_root Race Condition

Title source: llm
STIX 2.1

Description

A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.

References (16)

Core 16
Core References
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4698
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4388-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4392-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4389-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4387-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4390-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4391-1/
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200608-0001/
Mailing List, Patch, Third Party Advisory x_refsource_misc
http://www.openwall.com/lists/oss-security/2020/05/04/2
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4699
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html

Scores

CVSS v3 4.7
EPSS 0.0042
EPSS Percentile 33.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-362
Status published
Products (1)
linux/linux_kernel 4.4.0 - 4.4.221
Published May 04, 2020
Tracked Since Feb 18, 2026