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Gentoo Linux: CVE-2021-3416: QEMU: Multiple Vulnerabilities

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Gentoo Linux: CVE-2021-3416: QEMU: Multiple Vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
03/18/2021
Created
08/29/2022
Added
08/16/2022
Modified
08/16/2022

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)

  • gentoo-linux-upgrade-app-emulation-qemu

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