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A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The flaw occurs while processing repeated messages to cancel the current SCSI request via the lsi_do_msgout function. This flaw allows a malicious privileged user within the guest to crash the QEMU process on the host, resulting in a denial of service.

🗓️ 02 Oct 2025 06:11:13Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Use-after-free in QEMU LSI53C895A SCSI emulation lets guest privileged users crash the host QEMU process via repeated cancel messages.

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02 Oct 2025 06:11Current
7High risk
Vulners AI Score7
CVSS 3.14.4
EPSS0.00023
1