vulnerability
Debian: CVE-2021-20321: linux -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:N/C:N/I:N/A:C) | Dec 20, 2021 | Dec 20, 2021 | Aug 15, 2025 |
Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
Dec 20, 2021
Added
Dec 20, 2021
Modified
Aug 15, 2025
Description
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.
Solution
debian-upgrade-linux
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