CVE-2021-3416

Katalog CVE

CVSS 6.0 · Medium EPSS 0,46%

Kerentanan Loop with Unreachable Exit Condition ('Infinite Loop') pada qemu, fedoraproject fedora +2 lainnya. Skor CVSS 3.1 6.0 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

18 Maret 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.0 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

EPSS (30 hari)

0,46% peluang dieksploitasi; lebih tinggi dari 38,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1932827 issue tracking · patch · advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2021/02/26/1 mailing list · patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202208-27 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210507-0002/ advisory pihak ketiga