Qemu-kvm: hyperv/syndbg: missing mapped-length guard after cpu_physical_memory_map causes host oob write

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CVE-2026-3842 Qemu-kvm: hyperv/syndbg: missing mapped-length guard after cpu_physical_memory_map causes host oob write

A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write data beyond its allocated memory. This occurs when cpuphysicalmemorymap returns a shorter length than expected, leading to an out-of-bounds write. Successful exploitation could result in...

SUSE-SU-2026:2385-1 Security update for qemu

This update for qemu fixes the following issues: - CVE-2026-2243: incorrect bounds check leads to heap out-of-bounds read and a 12-byte information leak when processing specially crafted VMDK files bsc1258509. - CVE-2026-3195: heap buffer overflow when reading input audio in the virtio-snd device...