CVE-2023-3019: Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()

Description

A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.

Classification

CVE ID: CVE-2023-3019

Affected Products

Vendor: Red Hat

Product: Red Hat Enterprise Linux 8

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 16.3% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://access.redhat.com/errata/RHSA-2024:0135
https://access.redhat.com/errata/RHSA-2024:0404
https://access.redhat.com/errata/RHSA-2024:0569
https://access.redhat.com/errata/RHSA-2024:2135
https://access.redhat.com/security/cve/CVE-2023-3019
https://bugzilla.redhat.com/show_bug.cgi?id=2222351

Timeline