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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2843-1 | linux security update |
Debian DLA |
DLA-2941-1 | linux-4.19 security update |
Debian DSA |
DSA-5096-1 | linux security update |
EUVD |
EUVD-2021-7745 | 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. |
Ubuntu USN |
USN-5208-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5209-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5210-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5218-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-6221-1 | Linux kernel vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:37:23.681Z
Reserved: 2020-12-17T00:00:00.000Z
Link: CVE-2021-20321
No data.
Status : Modified
Published: 2022-02-18T18:15:08.947
Modified: 2024-11-21T05:46:22.433
Link: CVE-2021-20321
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
EUVD
Ubuntu USN