CVE-2021-33117
Published: 12 May 2022
Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7, may allow a local attacker to potentially enable information disclosure via local access.
From the Ubuntu Security Team
It was discovered that some Intel processors did not properly restrict access in some situations. This may allow a local attacker to obtain sensitive information.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
intel-microcode Launchpad, Ubuntu, Debian |
bionic |
Released
(3.20220510.0ubuntu0.18.04.1)
|
| focal |
Released
(3.20220510.0ubuntu0.20.04.1)
|
|
| impish |
Released
(3.20220510.0ubuntu0.21.10.1)
|
|
| jammy |
Released
(3.20220510.0ubuntu0.22.04.1)
|
|
| kinetic |
Released
(3.20220207.1ubuntu1)
|
|
| trusty |
Ignored
(early microcode loading not allowed)
|
|
| upstream |
Released
(3.20220207.1)
|
|
| xenial |
Released
(3.20220510.0ubuntu0.16.04.1+esm1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |