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CVE ID:CVE-2021-3416
Description:A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
Test IDs: 1.3.6.1.4.1.25623.1.1.4.2021.1305.1   1.3.6.1.4.1.25623.1.1.4.2021.1245.1   1.3.6.1.4.1.25623.1.1.4.2021.1240.1   1.3.6.1.4.1.25623.1.1.4.2021.1244.1   1.3.6.1.4.1.25623.1.1.4.2021.1241.1   1.3.6.1.4.1.25623.1.1.4.2021.1242.1   1.3.6.1.4.1.25623.1.1.4.2021.1243.1  
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2021-3416
https://bugzilla.redhat.com/show_bug.cgi?id=1932827
https://bugzilla.redhat.com/show_bug.cgi?id=1932827
https://www.openwall.com/lists/oss-security/2021/02/26/1
https://www.openwall.com/lists/oss-security/2021/02/26/1
https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html




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