CVE-2021-33117
Publication date 12 May 2022
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| intel-microcode | ||
| 22.04 LTS jammy |
Fixed 3.20220510.0ubuntu0.22.04.1
|
|
| 20.04 LTS focal |
Fixed 3.20220510.0ubuntu0.20.04.1
|
|
| 18.04 LTS bionic |
Fixed 3.20220510.0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 3.20220510.0ubuntu0.16.04.1+esm1
|
|
| 14.04 LTS trusty | Ignored early microcode loading not allowed |
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Get Ubuntu ProSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.5 · Medium
|
| 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 |
References
Related Ubuntu Security Notices (USN)
- USN-5486-1
- Intel Microcode vulnerabilities
- 20 June 2022
- USN-5535-1
- Intel Microcode vulnerabilities
- 28 July 2022