CVE-2020-12114 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html http://www.openwall.com/lists/oss-security/2020/05/04/2 https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html https://security.netapp.com/advisory/ntap-20200608-0001/ https://usn.ubuntu.com/4387-1/ https://usn.ubuntu.com/4388-1/ https://usn.ubuntu.com/4389-1/ https://usn.ubuntu.com/4390-1/ https://usn.ubuntu.com/4391-1/ https://usn.ubuntu.com/4392-1/ https://www.debian.org/security/2020/dsa-4698 https://www.debian.org/security/2020/dsa-4699

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.7