4.7
CVE-2021-28964
- EPSS 0.09%
- Published 22.03.2021 09:15:13
- Last modified 21.11.2024 06:00:27
- Source cve@mitre.org
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A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.
Data is provided by the National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version <= 5.11.8
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
Debian ≫ Debian Linux Version9.0
Netapp ≫ Cloud Backup Version-
Netapp ≫ Aff A250 Firmware Version-
Netapp ≫ Fas 500f Firmware Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.09% | 0.269 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 4.7 | 1 | 3.6 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 1.9 | 3.4 | 2.9 |
AV:L/AC:M/Au:N/C:N/I:N/A:P
|
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.