cve-2024-8612
Vulnerability from cvelistv5
Published
2024-09-20 17:50
Modified
2024-11-13 14:27
Summary
Qemu-kvm: information leak in virtio devices
Show details on NVD website


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    "cna": {
      "affected": [
        {
          "collectionURL": "https://gitlab.com/qemu-project/qemu",
          "packageName": "qemu",
          "repo": "https://gitlab.com/qemu-project/qemu",
          "versions": [
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          "packageName": "qemu-kvm",
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          "packageName": "qemu-kvm",
          "product": "Red Hat Enterprise Linux 7",
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      "credits": [
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          "lang": "en",
          "value": "Red Hat would like to thank Xiao Lei (FSL team), Yiming Tao (FSL team), and Yongkang Jia (FSL team) for reporting this issue."
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          "value": "A flaw was found in QEMU, in the virtio-scsi, virtio-blk, and virtio-crypto devices. The size for virtqueue_push as set in virtio_scsi_complete_req / virtio_blk_req_complete / virito_crypto_req_complete could be larger than the true size of the data which has been sent to guest. Once virtqueue_push() finally calls dma_memory_unmap to ummap the in_iov, it may call the address_space_write function to write back the data. Some uninitialized data may exist in the bounce.buffer, leading to an information leak."
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      "title": "Qemu-kvm: information leak in virtio devices",
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    "dateReserved": "2024-09-09T16:25:22.769Z",
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}


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