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CVE-2020-13253

QEMU: sd: OOB access could crash the guest resulting in DoS

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · May 20, 2020

Updated · June 28, 2026

Description

An out-of-bounds read-access flaw was found in the SD Memory Card emulator of the QEMU. This flaw occurs while performing block write commands via sdhci_write(), if a guest user has sent an 'address' which is out-of-bounds of 's->wp_groups'. A guest user or process may use this flaw to crash the QEMU process resulting in a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-125 · Out-of-bounds Read