5.5
CVE-2021-28951
- EPSS 0.06%
- Published 20.03.2021 20:15:13
- Last modified 21.11.2024 06:00:25
- Source cve@mitre.org
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An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concurrently that SQPOLL thread is waiting for a signal to start, aka CID-3ebba796fa25.
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
Netapp ≫ A250 Firmware Version-
Netapp ≫ Aff 500f Firmware Version-
Netapp ≫ Fas 500f Firmware Version-
Netapp ≫ Cloud Backup Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.06% | 0.176 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 5.5 | 1.8 | 3.6 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 4.9 | 3.9 | 6.9 |
AV:L/AC:L/Au:N/C:N/I:N/A:C
|
CWE-667 Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.