Insecure Temporary File in s390-tools - CVE-2021-25316

 

Insecure Temporary File in s390-tools - CVE-2021-25316

Published: March 15, 2021


Vulnerability identifier: #VU51450
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2021-25316
CWE-ID: CWE-377
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: IBM s390 Linux
Affected software:
s390-tools

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to s390-tools creates temporary files with predictable file names during VM migration. A local user can create temporary files before the VM migration starts and perform a DoS attack.


How to mitigate CVE-2021-25316

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources