CVE-2021-3416 (GCVE-0-2021-3416)

Vulnerability from cvelistv5 – Published: 2021-03-18 19:53 – Updated: 2024-08-03 16:53
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a QEMU Affected: versions up to and including 5.2.0
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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