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CVE-2023-3180

QEMU: virtio-crypto: heap buffer overflow in virtio_crypto_sym_op_helper()

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Severity

Moderate

Red Hat Product Security

6

CVSS 3.1

Review impact separately from score.

Published · August 3, 2023

Updated · June 28, 2026

Description

A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtio_crypto_handle_sym_req. There is no check for the value of src_len and dst_len in virtio_crypto_sym_op_helper, potentially leading to a heap buffer overflow when the two values differ.

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 · 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

CWE-122 · Heap-based Buffer Overflow