CVE-2022-41804
Publication date 8 August 2023
Last updated 24 July 2024
Ubuntu priority
Unauthorized error injection in Intel(R) SGX or Intel(R) TDX for some Intel(R) Xeon(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
From the Ubuntu Security Team
It was discovered that some Intel(R) Xeon(R) Processors did not properly restrict error injection for Intel(R) SGX or Intel(R) TDX. A local privileged user could use this to further escalate their privileges.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| intel-microcode | 24.04 LTS noble |
Fixed 3.20230808.1
|
| 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 |
Fixed 3.20230808.0ubuntu0.18.04.1+esm1
|
|
| 16.04 LTS xenial |
Fixed 3.20230808.0ubuntu0.16.04.1+esm1
|
|
| 14.04 LTS trusty |
Needs evaluation
|
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Get Ubuntu ProSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.7 · Medium
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-6286-1
- Intel Microcode vulnerabilities
- 14 August 2023