CVE-2020-25707

QEMU: infinite loop in e1000e_write_packet_to_guest() in hw/net/e1000e_core.c

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Severity

Low

Red Hat Product Security

2.5

CVSS 3.1

Review impact separately from score.

Published · November 2, 2020

Updated · November 2, 2026

Description

An infinite loop flaw was found in the e1000e NIC emulation code of QEMU. This issue occurs in the e1000e_write_packet_to_guest() routine while processing bogus RX descriptor data transmitted by the guest. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.

Statement

This flaw was found to be a duplicate of CVE-2020-28916. Please see https://access.redhat.com/security/cve/CVE-2020-28916 for information about affected products and security errata.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 2.5
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L

CWE-835 · Loop with Unreachable Exit Condition