Threats Tagged 'cve-2026-6426'
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Threats Tagged 'cve-2026-6426'
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0 A type mismatch vulnerability was found in QEMU's vhost inflight migration VMState handling. The destination buffer size is stored as a uint64_t but read by the VMS_VBUFFER load path as a signed int32_t. On little-endian hosts, a crafted incoming migration state with bit 31 set causes the value to be interpreted as negative and then implicitly converted to a very large size_t, leading qemu_get_buffer() to copy migration-stream data beyond the bounds of the mmap-backed inflight region. This can result in a crash of the QEMU process or memory corruption. Exploitation requires control of the migration producer or write access to the migration channel, combined with a destination configured to use vhost inflight migration. Join the discussion | CVE Database V5 | 08/10/2026, 21:22:29 UTC Added: 08/10/2026, 21:41:48 UTC |
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