CVE-2017-7228
xen - security update
8.2
HIGH
CVSS 3.1
EPSS 1.0%
Description
An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.
How to fix CVE-2017-7228
To remediate CVE-2017-7228, upgrade the affected package to a fixed version below.
- —upgrade to 4.7.2-r0 or later
- —upgrade to 4.8.1-1 or later
- —upgrade to 4.1.6.lts1-6 or later
Is CVE-2017-7228 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.7.2-r0
- from 0, < 4.8.1-1
- from 0, < 4.1.6.lts1-6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |