CVE-2022-33742

Katalog CVE

CVSS 7.1 · High EPSS 0,33%

Kerentanan Exposure of Sensitive Information to an Unauthorized Actor pada fedoraproject fedora, debian linux +2 lainnya. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).

Rincian

Terbit di NVD

5 Juli 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

EPSS (30 hari)

0,33% peluang dieksploitasi; lebih tinggi dari 24,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• http://xenbits.xen.org/xsa/advisory-403.html patch · advisory vendor
• https://xenbits.xenproject.org/xsa/advisory-403.txt advisory vendor
• http://www.openwall.com/lists/oss-security/2022/07/05/6 mailing list · patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5191 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGFTRZ66KQYTS...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMO...