Race condition in Linux kernel - CVE-2020-12114
Published: May 2, 2020 / Updated: May 4, 2020
Vulnerability identifier: #VU27480
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-12114
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service attack.
The vulnerability exists due to a race condition between threads updating mountpoint reference counter. A local user can exploit the race and crash the system.
How to mitigate CVE-2020-12114
Install update from vendor's website.