CVE-2020-29040
8.8
HIGH
CVSS 3.1
EPSS 0.07%
Description
An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671.
How to fix CVE-2020-29040
To remediate CVE-2020-29040, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.12.4-r0 or later
- —upgrade to 4.14.0+88-g1d1d1f5391-1 or later
Is CVE-2020-29040 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.12.4-r0
- from 0, < 4.14.0+88-g1d1d1f5391-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |