CVE-2023-31346
kernel: Reserved fields in guest message responses may not be zero initialized
Severity Score
4.4
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
Failure to initialize
memory in SEV Firmware may allow a privileged attacker to access stale data
from other guests.
No inicializar la memoria en el firmware SEV puede permitir que un atacante privilegiado acceda a datos obsoletos de otros invitados.
A flaw was found in some AMD CPUs where the guest message responses have not been zero-initialized. This issue may allow a local attacker with the ability to run arbitrary code on a container or virtual machine to discover sensitive information contained in the host system's memory.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-04-27 CVE Reserved
- 2024-02-13 CVE Published
- 2024-02-14 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007 | 2024-02-14 | |
| https://access.redhat.com/security/cve/CVE-2023-31346 | 2024-08-27 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2250458 | 2024-08-27 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| AMD Search vendor "AMD" | 3rd Gen AMD EPYC™ Processors Search vendor "AMD" for product "3rd Gen AMD EPYC™ Processors" | <= Search vendor "AMD" for product "3rd Gen AMD EPYC™ Processors" and version " <= " | en |
Affected
| ||||||
| AMD Search vendor " AMD" | 4th Gen AMD EPYC™ Processors Search vendor " AMD" for product "4th Gen AMD EPYC™ Processors" | <= Search vendor " AMD" for product "4th Gen AMD EPYC™ Processors" and version " <= " | en |
Affected
| ||||||