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Debian: CVE-2021-3416: qemu -- security update

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Debian: CVE-2021-3416: qemu -- security update

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
03/18/2021
Created
04/13/2021
Added
04/12/2021
Modified
02/14/2023

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.

Solution(s)

  • debian-upgrade-qemu

References

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