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TI-2019-05117 Aliases CVE-2019-7221GHSA-jc59-87wq-g5xp

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

Priority LOW 36CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

Why it matters now

EPSS 0.00805 56th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 19

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 4.20.5VulnerableLinux
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*15.0VulnerableopenSUSE
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*28VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*29VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.20.5 Vulnerable ·Linux
  • cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
  • 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:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • 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
  • cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*3.11VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:netapp:element_software_management_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 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_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 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-2019:4058 Released 2019-12-03 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) kernel-3.10.0-693.61.1.el7, kernel-abi-whitelists-3.10.0-693.61.1.el7, kernel-debug-3.10.0-693.61.1.el7 +8
    • Red Hat Enterprise Linux Server E4S (v. 7.4) kernel-3.10.0-693.61.1.el7, kernel-abi-whitelists-3.10.0-693.61.1.el7, kernel-bootwrapper-3.10.0-693.61.1.el7 +9
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.61.1.el7
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.4) kernel-debug-devel-3.10.0-693.61.1.el7, kernel-tools-libs-devel-3.10.0-693.61.1.el7
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.61.1.el7
    • Red Hat Enterprise Linux Server TUS (v. 7.4) kernel-3.10.0-693.61.1.el7, kernel-abi-whitelists-3.10.0-693.61.1.el7, kernel-debug-3.10.0-693.61.1.el7 +8
  • RHSA-2019:3967 Released 2019-11-26 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) kernel-3.10.0-862.44.2.el7, kernel-abi-whitelists-3.10.0-862.44.2.el7, kernel-debug-3.10.0-862.44.2.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) kernel-tools-libs-devel-3.10.0-862.44.2.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.5) kernel-3.10.0-862.44.2.el7, kernel-abi-whitelists-3.10.0-862.44.2.el7, kernel-bootwrapper-3.10.0-862.44.2.el7 +11
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.5) kernel-debug-devel-3.10.0-862.44.2.el7, kernel-tools-libs-devel-3.10.0-862.44.2.el7
  • RHSA-2019:0818 Released 2019-04-23 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-957.12.1.el7, kernel-3.10.0-957.12.1.el7, kernel-abi-whitelists-3.10.0-957.12.1.el7 +9
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.12.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-957.12.1.el7, kernel-3.10.0-957.12.1.el7, kernel-abi-whitelists-3.10.0-957.12.1.el7 +9
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.12.1.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-957.12.1.el7, kernel-3.10.0-957.12.1.el7, kernel-abi-whitelists-3.10.0-957.12.1.el7 +12
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-957.12.1.el7, kernel-tools-libs-devel-3.10.0-957.12.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-957.12.1.el7, kernel-3.10.0-957.12.1.el7, kernel-abi-whitelists-3.10.0-957.12.1.el7 +9
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.12.1.el7
Show 1 more Red Hat advisories
  • RHSA-2019:0833 Released 2019-04-23 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-957.12.1.rt56.927.el7, kernel-rt-debug-3.10.0-957.12.1.rt56.927.el7, kernel-rt-debug-devel-3.10.0-957.12.1.rt56.927.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-957.12.1.rt56.927.el7, kernel-rt-debug-3.10.0-957.12.1.rt56.927.el7, kernel-rt-debug-devel-3.10.0-957.12.1.rt56.927.el7 +7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:0818
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:0818
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:0818
Red Hat Enterprise Linux ComputeNode EUS (v. 7.5)Fixed RHSA-2019:3967
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:0818
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5)Fixed RHSA-2019:3967
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2019:0833
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:0818
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2019:4058
Red Hat Enterprise Linux Server E4S (v. 7.4)Fixed RHSA-2019:4058
Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2019:3967
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:0818
Red Hat Enterprise Linux Server Optional AUS (v. 7.4)Fixed RHSA-2019:4058
Red Hat Enterprise Linux Server Optional E4S (v. 7.4)Fixed RHSA-2019:4058
Red Hat Enterprise Linux Server Optional EUS (v. 7.5)Fixed RHSA-2019:3967
Red Hat Enterprise Linux Server Optional TUS (v. 7.4)Fixed RHSA-2019:4058
Red Hat Enterprise Linux Server TUS (v. 7.4)Fixed RHSA-2019:4058
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:0818
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:0818
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2019:0833
Not affected: 5 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-7221
  2. 2026-10-03 Alias added: GHSA-jc59-87wq-g5xp

References

Exploit 1

Patch 2

Advisory 20

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences