Ubuntu.comUB:CVE-2023-42667CVE-2023-42667
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS4
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/SC:N/VI:H/SI:N/VA:H/SA:N
AI Score
Confidence
Low
Improper isolation in the Intel® Core™ Ultra Processor stream cache
mechanism may allow an authenticated user to potentially enable escalation
of privilege via local access.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | intel-microcode | < 3.20240813.0ubuntu0.18.04.1+esm2 | UNKNOWN |
| ubuntu | 20.04 | noarch | intel-microcode | < 3.20240813.0ubuntu0.20.04.2 | UNKNOWN |
| ubuntu | 22.04 | noarch | intel-microcode | < 3.20240813.0ubuntu0.22.04.2 | UNKNOWN |
| ubuntu | 24.04 | noarch | intel-microcode | < 3.20240813.0ubuntu0.24.04.2 | UNKNOWN |
| ubuntu | 16.04 | noarch | intel-microcode | < 3.20240813.0ubuntu0.16.04.1+esm2 | UNKNOWN |
References
github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20240813
launchpad.net/bugs/cve/CVE-2023-42667
nvd.nist.gov/vuln/detail/CVE-2023-42667
security-tracker.debian.org/tracker/CVE-2023-42667
ubuntu.com/security/notices/USN-6967-1
www.cve.org/CVERecord?id=CVE-2023-42667
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01038.html
Related
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS4
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/SC:N/VI:H/SI:N/VA:H/SA:N
AI Score
Confidence
Low