CVE-2020-29570

Katalog CVE

CVSS 6.2 · Medium EPSS 0,38%

Kerentanan Allocation of Resources Without Limits or Throttling pada xen, debian linux +1 lainnya. Skor CVSS 3.1 6.2 (Medium) menurut NVD.

Deskripsi (NVD)

An issue was discovered in Xen through 4.14.x. Recording of the per-vCPU control block mapping maintained by Xen and that of pointers into the control block is reversed. The consumer assumes, seeing the former initialized, that the latter are also ready for use. Malicious or buggy guest kernels can mount a Denial of Service (DoS) attack affecting the entire system.

Rincian

Terbit di NVD

15 Desember 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-770: Allocation of Resources Without Limits or Throttling

EPSS (30 hari)

0,38% peluang dieksploitasi; lebih tinggi dari 30,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://xenbits.xenproject.org/xsa/advisory-358.html patch · advisory vendor
• http://www.openwall.com/lists/oss-security/2020/12/16/4 mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202107-30 advisory pihak ketiga
• https://www.debian.org/security/2020/dsa-4812 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2C6M6S3CIMEBA...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OBLV6L6Q24PPQ...