Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-3872

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
07/11/2022
Last modified:
05/05/2025

Description

An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.60 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
8.60
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 7.1.0 (excluding)
cpe:2.3:a:qemu:qemu:7.1.0:-:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:7.1.0:rc0:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:7.1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:7.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:7.1.0:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:7.1.0:rc4:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools