Vulnerability · Published Aug 14, 2024 · Assigned by intel
CVE-2023-42667
High 7.8
In plain English
A high-severity security flaw in Intel(R) Core(TM) Ultra Processor stream cache mechanism. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 85.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | intel-ucode | 20240813-r0 | ALPINE-CVE-2023-42667 |
| Alpine:v3.21 | intel-ucode | 20240813-r0 | ALPINE-CVE-2023-42667 |
| Alpine:v3.22 | intel-ucode | 20240813-r0 | ALPINE-CVE-2023-42667 |
| Alpine:v3.23 | intel-ucode | 20240813-r0 | ALPINE-CVE-2023-42667 |
| Alpine:v3.24 | intel-ucode | 20240813-r0 | ALPINE-CVE-2023-42667 |
| Debian:12 | intel-microcode | 3.20240813.1~deb12u1 | DEBIAN-CVE-2023-42667 |
| Debian:13 | intel-microcode | 3.20240813.1 | DEBIAN-CVE-2023-42667 |
| Debian:14 | intel-microcode | 3.20240813.1 | DEBIAN-CVE-2023-42667 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20240813.0ubuntu0.22.04.2 | USN-6967-1 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20240813.0ubuntu0.22.04.2 | UBUNTU-CVE-2023-42667 |
| Ubuntu:24.04:LTS | intel-microcode | 3.20240813.0ubuntu0.24.04.2 | UBUNTU-CVE-2023-42667 |
| Ubuntu:24.04:LTS | intel-microcode | 3.20240813.0ubuntu0.24.04.2 | USN-6967-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Intel(R) Core(TM) Ultra Processor stream cache mechanism | See references |
Weakness: CWE-1189 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H