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.
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Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: redhat
Published: 2022-03-16T14:12:26
Updated: 2024-08-03T17:37:23.120Z
Reserved: 2020-12-17T00:00:00
Link: CVE-2021-20257
Vulnrichment
No data.
NVD
Status : Modified
Published: 2022-03-16T15:15:09.983
Modified: 2024-11-21T05:46:13.570
Link: CVE-2021-20257
Redhat