Buffer Overflow Vulnerability in XGMAC Ethernet Controller in QEMU

CVE-2020-15863 · MEDIUM Severity

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

hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.

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