CVE-2024-21820
Published: November 14, 2024Last modified: June 9, 2025
Description
Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.2 |
| Attack Vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | intel-ucode | Fixed (20241112-r0) |
| Stream | intel-ucode | Fixed (20241112-r0) |