CVE-2023-31356

2024-08-1317:15:21

Debian Security Bug Tracker

security-tracker.debian.org

cve-2023-31356

system memory

sev firmware

privileged attacker

data integrity

unix

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.2

Confidence

Low

JSON

Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity.

OSVersionArchitecturePackageVersionFilename
Debian12allamd64-microcode< 3.20240820.1~deb12u1amd64-microcode_3.20240820.1~deb12u1_all.deb
Debian11allamd64-microcode< 3.20240820.1~deb11u1amd64-microcode_3.20240820.1~deb11u1_all.deb
Debian999allamd64-microcode< 3.20240820.1amd64-microcode_3.20240820.1_all.deb
Debian13allamd64-microcode< 3.20240820.1amd64-microcode_3.20240820.1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	amd64-microcode	< 3.20240820.1~deb12u1	amd64-microcode_3.20240820.1~deb12u1_all.deb
Debian	11	all	amd64-microcode	< 3.20240820.1~deb11u1	amd64-microcode_3.20240820.1~deb11u1_all.deb
Debian	999	all	amd64-microcode	< 3.20240820.1	amd64-microcode_3.20240820.1_all.deb
Debian	13	all	amd64-microcode	< 3.20240820.1	amd64-microcode_3.20240820.1_all.deb