CVE-2023-42667
Ubuntu Security Notice USN-6967-1
Severity Score
7.3
*CVSS v4
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track*
*SSVC
Descriptions
Improper isolation in the Intel(R) Core(TM) Ultra Processor stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.
It was discovered that some Intel® Core⢠Ultra Processors did not properly isolate the stream cache. A local authenticated user could potentially use this to escalate their privileges. It was discovered that some Intel® Processors did not properly isolate the stream cache. A local authenticated user could potentially use this to escalate their privileges. It was discovered that some Intel® Processors did not correctly transition between the executive monitor and SMI transfer monitor. A privileged local attacker could use this to escalate their privileges.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
System
Vulnerable | Subsequent
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-10-25 CVE Reserved
- 2024-08-14 CVE Published
- 2024-08-22 CVE Updated
- 2025-06-10 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-1189: Improper Isolation of Shared Resources on System-on-a-Chip (SoC)
CAPEC
References (1)
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Intel Search vendor "Intel" | Core Ultra Processor Search vendor "Intel" for product "Core Ultra Processor" | * | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | * | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | * | - |
Affected
| ||||||
| Freebsd Search vendor "Freebsd" | Freebsd Search vendor "Freebsd" for product "Freebsd" | * | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Sle-module-basesystem Search vendor "Suse" for product "Sle-module-basesystem" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Sle Hpc-espos Search vendor "Suse" for product "Sle Hpc-espos" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Sle Hpc-ltss Search vendor "Suse" for product "Sle Hpc-ltss" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Sle Hpc Search vendor "Suse" for product "Sle Hpc" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Sled Search vendor "Suse" for product "Sled" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Sles-ltss Search vendor "Suse" for product "Sles-ltss" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Sles Search vendor "Suse" for product "Sles" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Sles Sap Search vendor "Suse" for product "Sles Sap" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Suse-manager-proxy Search vendor "Suse" for product "Suse-manager-proxy" | * | - |
Affected
| ||||||
| Suse Search vendor "Suse" | Suse-manager-server Search vendor "Suse" for product "Suse-manager-server" | * | - |
Affected
| ||||||