CVE-2023-31356
4.4
MEDIUM
CVSS 3.1
EPSS 0.03%
Description
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.
How to fix CVE-2023-31356
To remediate CVE-2023-31356, upgrade the affected package to a fixed version below.
- Debian/amd64-microcode—upgrade to 3.20240820.1~deb11u1 or later
Is CVE-2023-31356 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.20240820.1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |