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": "No subscription required", "binaries": [ { "binary_name": "qemu", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-block-extra", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-block-extra-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-guest-agent", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-guest-agent-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-kvm", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-arm", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-arm-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-common", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-common-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-data", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-gui", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-gui-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-mips", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-mips-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-misc", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-misc-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-ppc", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-ppc-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-s390x", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-s390x-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-sparc", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-sparc-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-x86", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-x86-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-x86-microvm", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-x86-microvm-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-x86-xen", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-system-x86-xen-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-user", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-user-binfmt", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-user-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-user-static", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-user-static-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-utils", "binary_version": "1:4.2-3ubuntu6.21" }, { "binary_name": "qemu-utils-dbgsym", "binary_version": "1:4.2-3ubuntu6.21" } ] }
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