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CVE-2024-21978

linux-firmware: hw:amd: Improper input validation in SEV-SNP

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Severity

Moderate

Red Hat Product Security

6

CVSS 3.1

Review impact separately from score.

Published · August 5, 2024

Updated · October 22, 2026

Description

A flaw was found in the AMD firmware. This vulnerability allows a malicious hypervisor to read or overwrite guest memory, potentially leading to data leakage or data corruption.

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 · 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CWE-20 · Improper Input Validation