CVE-2023-45733
Published: 16 May 2024
Hardware logic contains race conditions in some Intel(R) Processors may allow an authenticated user to potentially enable partial information disclosure via local access.
From the Ubuntu Security Team
It was discovered that some IntelĀ® Processors did not properly protect against concurrent accesses. A local attacker could use this to obtain sensitive information.
Priority
Status
Package | Release | Status |
---|---|---|
intel-microcode Launchpad, Ubuntu, Debian |
bionic |
Released
(3.20240514.0ubuntu0.18.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
focal |
Released
(3.20240514.0ubuntu0.20.04.1)
|
|
jammy |
Released
(3.20240514.0ubuntu0.22.04.1)
|
|
mantic |
Released
(3.20240514.0ubuntu0.23.10.1)
|
|
noble |
Released
(3.20240514.0ubuntu0.24.04.1)
|
|
trusty |
Ignored
(trusty doesn't support early microcode loading at runtime)
|
|
upstream |
Needs triage
|
|
xenial |
Released
(3.20240514.0ubuntu0.16.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 2.8 |
Attack vector | Local |
Attack complexity | High |
Privileges required | Low |
User interaction | None |
Scope | Changed |
Confidentiality | Low |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N |
References
- https://www.cve.org/CVERecord?id=CVE-2023-45733
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01051.html
- https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20240514
- https://ubuntu.com/security/notices/USN-6797-1
- NVD
- Launchpad
- Debian