CVE-2023-6693

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Source
https://cve.org/CVERecord?id=CVE-2023-6693
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-6693.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-6693
Downstream
Related
Published
2024-01-02T09:15:08.280Z
Modified
2026-05-15T12:05:01.543324560Z
Severity
  • 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
Qemu: virtio-net: stack buffer overflow in virtio_net_flush_tx()
Details

A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtionetflushtx function if guest features VIRTIONETFHASHREPORT, VIRTIOFVERSION1 and VIRTIONETFMRGRXBUF 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.

Database specific 
{
    "cwe_ids": [
        "CWE-121"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6693.json",
    "cna_assigner": "redhat"
}
References

Affected packages