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CVE-2021-3416

CVE-2021-3416

EPSS 0.5%CWE-835
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
18 Mar 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
Affected products
n/a · QEMU

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References
https://bugzilla.redhat.com/show_bug.cgi?id=1932827https://lists.debian.org/debian-lts-announce/2021/04/msg00009.htmlhttps://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlhttps://security.gentoo.org/glsa/202208-27https://security.netapp.com/advisory/ntap-20210507-0002/https://www.openwall.com/lists/oss-security/2021/02/26/1