CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.9. See the original NVD description below for full technical details.
CVE
CVE-2023-6693
Severity
MEDIUM
CVSS
4.9
EPSS
0.33%
Original NVD Description
A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtio_net_flush_tx function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and VIRTIO_NET_F_MRG_RXBUF are enabled. This could allow a malicious user to overwrite local variables allocated on the stack. Specifically, the `out_sg` variable could be used to read a part of process memory and send it to the wire, causing an information leak.
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