CVE-2018-7541
8.8
HIGH
CVSS 3.1
EPSS 0.09%
Description
An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1.
How to fix CVE-2018-7541
To remediate CVE-2018-7541, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.10.0-r2 or later
- Debian/xen—upgrade to 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 or later
Is CVE-2018-7541 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.10.0-r2
- from 0, < 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |