Heap buffer overflow in virtio_crypto_sym_op_helper()

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AZL-31817 CVE-2023-3180 affecting package qemu for versions less than 6.2.0-23

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