The KVM implementation in the Linux kernel through 4.20.5 has an Information Leak.
Priority LOW 26Published · 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
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
The KVM implementation in the Linux kernel through 4.20.5 has an Information Leak.
Why it matters now
EPSS 0.00678 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 4 advisories
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 · 35
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 4.20.5 | Vulnerable | Linux |
| cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* | 28 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 29 | Vulnerable | Fedoraproject |
| cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* | 15.0 | Vulnerable | openSUSE |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 18.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* | 18.10 | Vulnerable | Canonical |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.20.5 Vulnerable ·Linux
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* Versions 28 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
Show 25 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time:7:*:*:*:*:*:*:* | 7 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:*:*:*:*:*:*:* | 8 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:7:*:*:*:*:*:*:* | 7 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:*:*:*:*:*:*:* Versions 8 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
Red Hat 4 advisories
- RHSA-2019:3517 Released 2019-11-05 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-147.el8
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-147.el8, kernel-4.18.0-147.el8, kernel-abi-whitelists-4.18.0-147.el8 +19
- RHSA-2019:3309 Released 2019-11-05 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-147.rt24.93.el8, kernel-rt-core-4.18.0-147.rt24.93.el8, kernel-rt-debug-4.18.0-147.rt24.93.el8 +7
- Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-147.rt24.93.el8, kernel-rt-core-4.18.0-147.rt24.93.el8, kernel-rt-debug-4.18.0-147.rt24.93.el8 +9
- RHSA-2019:2043 Released 2019-08-07 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1062.rt56.1022.el7, kernel-rt-debug-3.10.0-1062.rt56.1022.el7, kernel-rt-debug-devel-3.10.0-1062.rt56.1022.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1062.rt56.1022.el7, kernel-rt-debug-3.10.0-1062.rt56.1022.el7, kernel-rt-debug-devel-3.10.0-1062.rt56.1022.el7 +7
Show 1 more Red Hat advisories
- RHSA-2019:2029 Released 2019-08-06 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7
- Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1062.el7, kernel-tools-libs-devel-3.10.0-1062.el7
- Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2019:3517 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2019:3517 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux Real Time (v. 8) | Fixed | RHSA-2019:3309 |
| Red Hat Enterprise Linux Real Time for NFV (v. 8) | Fixed | RHSA-2019:3309 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux for Real Time (v. 7) | Fixed | RHSA-2019:2043 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) | Fixed | RHSA-2019:2043 |
Not affected: 4 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise MRG 2
Timeline
- 2026-10-02 Threatist record created from CVE-2019-7222
- 2026-10-03 Alias added: GHSA-57xj-x7jh-222m
References
Patch 2
Advisory 21
- FEDORA-2019-164946aa7f
- http://packetstormsecurity.com/files/151712/KVM-kvm_inject_page_fault-Uninitialized-Memory-Leak.html
- FEDORA-2019-3da64f3e61
- https://github.com/torvalds/linux/commits/master/arch/x86/kvm
- SUSE-SA-2019:0203-1
- [debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update
- [debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update
- USN-3932-1
- USN-3932-2
- USN-3930-1
- USN-3931-1
- USN-3933-2
- USN-3931-2
- USN-3930-2
- https://security.netapp.com/advisory/ntap-20190404-0002/
- USN-3933-1
- [debian-lts-announce] 20190503 [SECURITY] [DLA 1771-1] linux-4.9 security update
- RHSA-2019:2043
- RHSA-2019:2029
- RHSA-2019:3309
- RHSA-2019:3517
Sources
- CVE-2019-7222 · CVE Program
- CVE-2019-7222 · NVD
- FIRST EPSS
- GHSA-57xj-x7jh-222m · GitHub Advisory Database · CC BY 4.0
- CVE-2019-7222 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences