CVE-2025-48514

Name	CVE-2025-48514
Description	Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
amd64-microcode (PTS)	bookworm/non-free-firmware	3.20250311.1~deb12u1	vulnerable
	bookworm/non-free-firmware (security)	3.20230719.1~deb12u1	vulnerable
	trixie/non-free-firmware	3.20250311.1	vulnerable
	forky/non-free-firmware, sid/non-free-firmware	3.20251202.1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
amd64-microcode	source	(unstable)	(unfixed)

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html