A flaw was found in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. It occurs when dropping packets during a bulk transfer from a SPICE client due to the packet queue being full. A malicious SPICE client could use this flaw to make QEMU call free() with faked heap chunk metadata, resulting in a crash of QEMU or potential code execution with the privileges of the QEMU process on the host.
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"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
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"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
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"binary_name": "qemu-system-s390x",
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{
"binary_name": "qemu-utils",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm1"
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{
"availability": "No subscription required",
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{
"binary_name": "qemu-block-extra",
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{
"binary_name": "qemu-system",
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"binary_name": "qemu-system-arm",
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"binary_name": "qemu-system-common",
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{
"binary_name": "qemu-system-mips",
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"binary_name": "qemu-system-x86",
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{
"binary_name": "qemu-utils",
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{
"availability": "No subscription required",
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"binary_name": "qemu",
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{
"binary_name": "qemu-block-extra",
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"binary_name": "qemu-utils",
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{
"availability": "No subscription required",
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"binary_name": "qemu-block-extra",
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"binary_name": "qemu-system-gui",
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"binary_name": "qemu-system-mips",
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"binary_name": "qemu-system-misc",
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"binary_name": "qemu-system-ppc",
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"binary_name": "qemu-system-s390x",
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"binary_name": "qemu-system-sparc",
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"binary_name": "qemu-system-x86",
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"binary_name": "qemu-system-x86-microvm",
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{
"binary_name": "qemu-system-x86-xen",
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"binary_name": "qemu-user",
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"binary_name": "qemu-user-static",
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