CVE-2021-3416

Name
CVE-2021-3416
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1932827
Mailing List https://www.openwall.com/lists/oss-security/2021/02/26/1
MLIST https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
CONFIRM https://security.netapp.com/advisory/ntap-20210507-0002/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* qemu >= None <= 5.2.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
qemu 3.13-community 5.2.0-r3 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
qemu 3.10-main 4.0.1-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable