CVE-2021-20321 - AskarLabs CVE Database

CVE-2021-20321

Vendor N/A

Product kernel

Weakness CWE-362

Published February 18, 2022

Last update August 3, 2024

View on NVD All CVEs

CVSS base score

—

What the vulnerability does

01Description

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.

Key dates

02Disclosure timeline

February 18, 2022 CVE published

August 3, 2024 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-20321 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/362.html

Related vulnerabilities

04Related CVE

CVE-2026-42979 Windows Push Notifications Elevation of Privilege Vulnerability CVE-2024-50313 CVE-2026-26072 EVerest has race-condition-induced std::map corruption in OCPP 1.6 evse_soc_map CVE-2024-45300 Bypassing promo code limitations with race conditions CVE-2026-25674 Potential incorrect permissions on newly created file system objects