6.5
CVE-2021-20257
- EPSS 0.04%
- Veröffentlicht 16.03.2022 15:15:09
- Zuletzt bearbeitet 21.11.2024 05:46:13
- Quelle secalert@redhat.com
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An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Fedoraproject ≫ Fedora Version33
Redhat ≫ Openstack Platform Version10.0
Redhat ≫ Openstack Platform Version13.0
Redhat ≫ Enterprise Linux Version6.0
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux Version8.0 SwEditionadvanced_virtualization
Redhat ≫ Enterprise Linux For Ibm Z Systems Version8.0
Redhat ≫ Enterprise Linux For Power Little Endian Version8.0
Redhat ≫ Codeready Linux Builder Version-
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux For Ibm Z Systems Version8.0
Redhat ≫ Enterprise Linux For Power Little Endian Version8.0
Redhat ≫ Enterprise Linux For Ibm Z Systems Version8.0
Redhat ≫ Enterprise Linux For Power Little Endian Version8.0
Debian ≫ Debian Linux Version10.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.04% | 0.125 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.5 | 2 | 4 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
|
| nvd@nist.gov | 2.1 | 3.9 | 2.9 |
AV:L/AC:L/Au:N/C:N/I:N/A:P
|
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.