PT-2021-7363
CVE-2021-20196
·
تاريخ النشر
2021-01-22
·
تاريخ التحديث
2026-06-09
الوصف من
CVSS 3.1
6.5
متوسطةالمقاييسAV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
QEMU (affected versions not specified)
Description
The issue is related to a NULL pointer dereference flaw in the floppy disk emulator of QEMU. This flaw occurs when processing read/write
ioport commands if the selected floppy drive is not initialized with a block device. It allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this issue is to system availability.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
قابلية الاستغلال
استغلال
التأثيرات
المورّدون
المنتجات المتأثرة
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