CVE-2025-0033

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to...

6.0 MediumFix available

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

0.21%Up 0.2 points since Oct 15, 2025

What each source reports

CVE List Score used 6.0

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Record: CVE-2025-0033
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

EUVDEUVD-2025-34221 6.0

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Record: EUVD-2025-34221
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9mfq-5f97-7wjc 6.0

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to...

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Record: GHSA-9mfq-5f97-7wjc
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

NVD 6.0

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Record: CVE-2025-0033
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Weakness: CWE-284
Updated: 2026-11-02

OSVDEBIAN-CVE-2025-0033 6.0

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Record: DEBIAN-CVE-2025-0033
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Updated: 2026-11-07

OSVUBUNTU-CVE-2025-0033 6.0

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Record: UBUNTU-CVE-2025-0033
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`amd64-microcode` Debian:12	All versions, plus listed versions 0.20120117-11.20120117-11.20120117-21.20120117-2~bpo60+11.20120910-1 Show 45 moreShow less 1.20120910-1~bpo60+11.20120910-21.20120910-2~bpo60+11.20120910-31.20141028.11.20160316.12.20120910-12.20120910-1~bpo70+12.20131007.12.20131007.1+really20130710.12.20141028.12.20141028.1~bpo70+12.20160316.12.20160316.1~bpo70+12.20160316.1~deb8u13.20160316.13.20160316.23.20160316.33.20171205.13.20171205.23.20180515.13.20180524.13.20180524.1~bpo9+13.20181128.13.20181128.1~bpo9+13.20181128.1~deb8u13.20181128.1~deb9u13.20181128.1~deb9u23.20191021.13.20191218.13.20220411.13.20220411.23.20230414.13.20230719.13.20230719.1~deb10u13.20230719.1~deb11u13.20230719.1~deb12u13.20230808.13.20230808.1.13.20230808.1.1~deb11u13.20230808.1.1~deb12u13.20230823.13.20231019.13.20240116.23.20240116.2+nmu1	None known
`amd64-microcode` Debian:13	All versions, plus listed versions 0.20120117-11.20120117-11.20120117-21.20120117-2~bpo60+11.20120910-1 Show 45 moreShow less 1.20120910-1~bpo60+11.20120910-21.20120910-2~bpo60+11.20120910-31.20141028.11.20160316.12.20120910-12.20120910-1~bpo70+12.20131007.12.20131007.1+really20130710.12.20141028.12.20141028.1~bpo70+12.20160316.12.20160316.1~bpo70+12.20160316.1~deb8u13.20160316.13.20160316.23.20160316.33.20171205.13.20171205.23.20180515.13.20180524.13.20180524.1~bpo9+13.20181128.13.20181128.1~bpo9+13.20181128.1~deb8u13.20181128.1~deb9u13.20181128.1~deb9u23.20191021.13.20191218.13.20220411.13.20220411.23.20230414.13.20230719.13.20230719.1~deb10u13.20230719.1~deb11u13.20230719.1~deb12u13.20230808.13.20230808.1.13.20230808.1.1~deb11u13.20230808.1.1~deb12u13.20230823.13.20231019.13.20240116.23.20240116.2+nmu1	None known
`amd64-microcode` Debian:14	before 3.20260923.1, plus listed versions 0.20120117-11.20120117-11.20120117-21.20120117-2~bpo60+11.20120910-1 Show 45 moreShow less 1.20120910-1~bpo60+11.20120910-21.20120910-2~bpo60+11.20120910-31.20141028.11.20160316.12.20120910-12.20120910-1~bpo70+12.20131007.12.20131007.1+really20130710.12.20141028.12.20141028.1~bpo70+12.20160316.12.20160316.1~bpo70+12.20160316.1~deb8u13.20160316.13.20160316.23.20160316.33.20171205.13.20171205.23.20180515.13.20180524.13.20180524.1~bpo9+13.20181128.13.20181128.1~bpo9+13.20181128.1~deb8u13.20181128.1~deb9u13.20181128.1~deb9u23.20191021.13.20191218.13.20220411.13.20220411.23.20230414.13.20230719.13.20230719.1~deb10u13.20230719.1~deb11u13.20230719.1~deb12u13.20230808.13.20230808.1.13.20230808.1.1~deb11u13.20230808.1.1~deb12u13.20230823.13.20231019.13.20240116.23.20240116.2+nmu1	3.20260923.1
`amd64-microcode` Ubuntu:14.04:LTS	All versions, plus listed versions 1.20120910-32.20131007.1+really20130710.13.20180524.1~ubuntu0.14.04.13.20180524.1~ubuntu0.14.04.2+really20130710.13.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1	None known
`amd64-microcode` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.20141028.12.20160316.13.20180524.1~ubuntu0.16.04.13.20180524.1~ubuntu0.16.04.23.20191021.1ubuntu0.16.04.1 Show 4 moreShow less 3.20191021.1+really3.20180524.1~ubuntu0.16.04.23.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm13.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm23.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3	None known
`amd64-microcode` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 3.20160316.33.20171205.13.20180524.1~ubuntu0.18.04.13.20180524.1~ubuntu0.18.04.23.20191021.1ubuntu0.18.04.2 Show 4 moreShow less 3.20191021.1+really3.20181128.1~ubuntu0.18.04.13.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm13.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm23.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3	None known
`amd64-microcode` Ubuntu:20.04:LTS	All versions, plus listed versions 3.20181128.1ubuntu23.20191021.1ubuntu13.20191218.1ubuntu13.20191218.1ubuntu1.13.20191218.1ubuntu1.23.20191218.1ubuntu1.3	None known
`amd64-microcode` Ubuntu:22.04:LTS	All versions, plus listed versions 3.20191218.1ubuntu23.20191218.1ubuntu2.13.20191218.1ubuntu2.23.20191218.1ubuntu2.3	None known
`amd64-microcode` Ubuntu:24.04:LTS	All versions, plus listed versions 3.20230808.1.1ubuntu13.20231019.1ubuntu13.20231019.1ubuntu23.20231019.1ubuntu2.13.20250311.1ubuntu0.24.04.13.20251202.1ubuntu0.24.04.1	None known
`amd64-microcode` Ubuntu:25.10	All versions, plus listed versions 3.20240820.1ubuntu13.20250311.1ubuntu13.20250708.1ubuntu13.20251202.1ubuntu0.25.10.1	None known
`amd64-microcode` Ubuntu:26.10	All versions, plus listed versions 3.20251202.1ubuntu2	None known
`amd64-microcode` Ubuntu:26.04:LTS	All versions, plus listed versions 3.20250708.1ubuntu13.20250708.1ubuntu23.20251202.1ubuntu13.20251202.1ubuntu2	None known

History

History
Recorded	Changed	Sources
Nov 7, 2026	affected, facts	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-0033 is a medium vulnerability (CVSS 6.0) in Amd Epyc™ 7003 Series Processors (formerly Codenamed "milan"), published October 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. Fixed in amd64-microcode 3.20260923.1.

References

This page doesn't list everything

Left out here: 35 versions. The JSON record has them.