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.
Metrics
Affected Vendors & Products
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 |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:37:23.681Z
Reserved: 2020-12-17T00:00:00
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.
Debian DLA
Debian DSA
EUVD
Ubuntu USN