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NVD description
A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high privileges could exploit this vulnerability by submitting a malformed virtio-blk SCSI request, leading to an out-of-bounds write in the host heap memory and a potential denial of service (DoS) for the QEMU process.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
CVE-2026-48914 A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A mali… https://www.cve.org/CVERecord?id=CVE-2026-48914
Post summary
A new CVE (CVE‑2026‑48914) describes an input descriptor size validation flaw in QEMU's virtio‑blk device; no PoC, exploit, active exploitation, patch, or false‑positive information is offered.