CVE-2025-20623
Publication date 13 May 2025
Last updated 3 July 2025
Ubuntu priority
Description
Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel(R) Core™ processors (10th Generation) may allow an authenticated user to potentially enable information disclosure via local access.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| intel-microcode | ||
| 24.04 LTS noble |
Fixed in 3.20250512.0ubuntu0.24.04.1
|
|
| 22.04 LTS jammy |
Fixed in 3.20250512.0ubuntu0.22.04.1
|
|
| 20.04 LTS focal |
Fixed in 3.20250512.0ubuntu0.20.04.1
|
|
| 18.04 LTS bionic |
Fixed in 3.20250512.0ubuntu0.18.04.1+esm1
|
|
| 16.04 LTS xenial |
Fixed in 3.20250512.0ubuntu0.16.04.1+esm1
|
|
| 14.04 LTS trusty | Ignored see notes |
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ebarretto
trusty cannot use intel-microcode during early boot and is therefore generally not updated.
Severity score breakdown
CVSS version: CVSS v3.0
Base score
5.6 · Medium
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
References
Related Ubuntu Security Notices (USN)
- USN-7535-1
- Intel Microcode vulnerabilities
- 27 May 2025
Other references
- https://www.cve.org/CVERecord?id=CVE-2025-20623
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html
- https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20250512
- https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01247.html