CVE-2020-8698
Publication date 10 November 2020
Last updated 24 July 2024
Ubuntu priority
Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
From the Ubuntu Security Team
Ezra Caltum, Joseph Nuzman, Nir Shildan and Ofir Joseff discovered that some Intel(R) Processors did not properly isolate shared resources in some situations. A local attacker could possibly use this to expose sensitive information.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| intel-microcode | ||
| 20.04 LTS focal |
Fixed 3.20201110.0ubuntu0.20.04.1
|
|
| 18.04 LTS bionic |
Fixed 3.20201110.0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 3.20201110.0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty |
Fixed 3.20201110.0ubuntu0.14.04.1
|
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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-4628-1
- Intel Microcode vulnerabilities
- 11 November 2020
- USN-4628-3
- Intel Microcode vulnerabilities
- 17 May 2021