CVE-2021-3582

Katalog CVE

CVSS 6.5 · Medium EPSS 0,39%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada qemu, debian linux. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA_CMD_CREATE_MR" command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability.

Rincian

Terbit di NVD

25 Maret 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

0,39% peluang dieksploitasi; lebih tinggi dari 30,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1966266 exploit · issue tracking · 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-20220429-0003/ advisory pihak ketiga