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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2022-03-16T14:12:26

Updated: 2022-09-05T05:06:44

Reserved: 2020-12-17T00:00:00


Link: CVE-2021-20257

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2022-03-16T15:15:09.983

Modified: 2023-02-12T22:15:17.573


Link: CVE-2021-20257

JSON object: View

cve-icon Redhat Information

No data.

CWE