CVE-2023-23908
Published: 8 August 2023
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
intel-microcode Launchpad, Ubuntu, Debian |
trusty |
Needs triage
|
| upstream |
Released
|
|
| bionic |
Released
(3.20230808.0ubuntu0.18.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| focal |
Released
(3.20230808.0ubuntu0.20.04.1)
|
|
| jammy |
Released
(3.20230808.0ubuntu0.22.04.1)
|
|
| lunar |
Released
(3.20230808.0ubuntu1)
|
|
| xenial |
Released
(3.20230808.0ubuntu0.16.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.4 |
| 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 |