An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users…
Priority LOW 25CWE-212Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.00434 37th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | 3.2.0 – 4.13.0 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.13.0:rc1:*:*:*:*:*:* | 4.13.0 rc1 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.13.0:rc2:*:*:*:*:*:* | 4.13.0 rc2 | Vulnerable | Xen |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | 31 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 32 | Vulnerable | Fedoraproject |
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | 15.1 | Vulnerable | openSUSE |
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* Versions 3.2.0 – 4.13.0 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.13.0:rc1:*:*:*:*:*:* Versions 4.13.0 rc1 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.13.0:rc2:*:*:*:*:*:* Versions 4.13.0 rc2 Vulnerable ·Xen
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-11740
- 2026-10-03 Alias added: GHSA-cjpx-2x82-p6v9
References
Patch 3
Sources
- CVE-2020-11740 · CVE Program
- CVE-2020-11740 · NVD
- FIRST EPSS
- GHSA-cjpx-2x82-p6v9 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-11740 · Red Hat security data · CC BY 4.0
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