PT-2021-22508
CVE-2021-3929
·
تاريخ النشر
2021-08-10
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تاريخ التحديث
2025-02-28
الوصف من
CVSS 3.1
8.2
عاليةالمقاييسAV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
QEMU (affected versions not specified)
Description
A DMA reentrancy issue was found in the NVM Express Controller (NVME) emulation. This issue can lead to a use-after-free problem when a malicious guest triggers the reset function
nvme ctrl reset(), causing data structs to be freed. As a result, a malicious guest could crash the QEMU process on the host, leading to a denial of service condition, or potentially execute arbitrary code within the context of the QEMU process on the host.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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