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CVE-2021-3416
CVE ID
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CVE-2021-3416
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
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.
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CVSS V3 Severity and Metrics
General Information
Vendors
- debian,
- fedoraproject,
- qemu,
- redhat
Products
- debian linux 10.0,
- debian linux 9.0,
- enterprise linux 6.0,
- enterprise linux 7.0,
- enterprise linux 8.0,
- fedora 33,
- qemu
References
Advisory
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
