QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.
Security Fix(es):
A DMA reentrancy issue was found in the NVM Express Controller (NVME) emulation in QEMU. This CVE is similar to CVE-2021-3750 and, just like it, when the reentrancy write triggers the reset function nvmectrlreset(), data structs will be freed leading to a use-after-free issue. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition or, potentially, executing arbitrary code within the context of the QEMU process on the host.(CVE-2021-3929)
{ "severity": "High" }
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