CVE-2023-23908

Publication date 8 August 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.4 · Medium

Score breakdown

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
23.10 mantic
Fixed 3.20230808.1
23.04 lunar
Fixed 3.20230808.0ubuntu1
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
16.04 LTS xenial
14.04 LTS trusty Ignored end of ESM support, was needs-triage

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 Pro

Severity 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

Other references