CVE-2021-0089
Publication date 9 June 2021
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Observable response discrepancy in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| xen | 25.10 questing |
Needs evaluation
|
| 25.04 plucky |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty | Not in release |
Notes
mdeslaur
hypervisor packages are in universe. For issues in the hypervisor, add appropriate tags to each section, ex: Tags_xen: universe-binary
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
References
Other references
- https://xenbits.xen.org/xsa/advisory-375.html
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html
- http://www.openwall.com/lists/oss-security/2021/06/10/1
- http://www.openwall.com/lists/oss-security/2021/06/10/11
- http://www.openwall.com/lists/oss-security/2021/06/10/10
- https://www.cve.org/CVERecord?id=CVE-2021-0089