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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- none
- Scope
- changed
- Confidentiality
- none
- Integrity
- none
- Availability
- high
- Weaknesses
- CWE-193
Metadata
- Primary Vendor
- QEMU
- Published
- 11/7/2022
- Last Modified
- 5/5/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
qemu : qemuqemu : qemuqemu : qemuqemu : qemuqemu : qemuqemu : qemuqemu : qemu
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