CVE-2020-11740
5.5
MEDIUM
CVSS 3.1
EPSS 0.09%
Description
An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.
How to fix CVE-2020-11740
To remediate CVE-2020-11740, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.12.2-r1 or later
- —upgrade to 4.11.4-1 or later
Is CVE-2020-11740 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.12.2-r1
- from 0, < 4.11.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |