CVE-2023-23908
Publication date 8 August 2023
Last updated 24 July 2024
Ubuntu priority
Improper access control in some 3rd Generation Intel(R) Xeon(R) Scalable processors may allow a privileged user to potentially enable information disclosure via local access.
From the Ubuntu Security Team
It was discovered that some 3rd Generation Intel(R) Xeon(R) Scalable processors did not properly restrict access in some situations. A local privileged attacker could use this to obtain sensitive information.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| intel-microcode | 24.10 oracular |
Fixed 3.20230808.1
|
| 24.04 LTS noble |
Fixed 3.20230808.1
|
|
| 22.04 LTS jammy |
Fixed 3.20230808.0ubuntu0.22.04.1
|
|
| 20.04 LTS focal |
Fixed 3.20230808.0ubuntu0.20.04.1
|
|
| 18.04 LTS bionic |
Fixed 3.20230808.0ubuntu0.18.04.1+esm1
|
|
| 16.04 LTS xenial |
Fixed 3.20230808.0ubuntu0.16.04.1+esm1
|
|
| 14.04 LTS trusty |
Needs evaluation
|
Get expanded security coverage with Ubuntu Pro
Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.
Get Ubuntu ProSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
4.4 · Medium
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-6286-1
- Intel Microcode vulnerabilities
- 14 August 2023