CVE-2018-3665
xen - security update
5.6
MEDIUM
CVSS 3.1
EPSS 1.8%
Description
System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel.
How to fix CVE-2018-3665
To remediate CVE-2018-3665, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.11.0-r0 or later
- —upgrade to 4.6.1-1 or later
- —upgrade to 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8 or later
- —upgrade to 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8 or later
Is CVE-2018-3665 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 4.11.0-r0
- from 0, < 4.6.1-1
- from 0, < 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8
- from 0, < 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N |