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TI-2020-12717 Aliases CVE-2020-16166GHSA-6c68-84gq-j9gr

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to…

Priority LOW 26CWE-330Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 12 fixed, 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.

Why it matters now

EPSS 0.05228 92nd percentileScored 2026-11-07
Fix Partial Red Hat: 6 advisoriesRed Hat: 12 fixed, 4 without a fix

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 · 21

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 5.7.11VulnerableLinux
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*15.2VulnerableopenSUSE
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*32VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*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:20.04:*:*:*:lts:*:*:*20.04VulnerableCanonical
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 5.7.11 Vulnerable ·Linux
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* Versions 15.2 Vulnerable ·openSUSE
  • 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:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* 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:20.04:*:*:*:lts:*:*:* Versions 20.04 Vulnerable ·Canonical
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*9.5VulnerableNetApp
cpe:2.3:a:netapp:cloud_volumes_ontap_mediator:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*11.0.0 – 11.60.3VulnerableNetApp
cpe:2.3:a:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:storagegrid:*:*:*:*:*:*:*:*up to 9.0.4VulnerableNetApp
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:*8.2VulnerableOracle
  • cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:* Versions 9.5 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:cloud_volumes_ontap_mediator:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* Versions 11.0.0 – 11.60.3 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:storagegrid:*:*:*:*:*:*:*:* Versions up to 9.0.4 Vulnerable ·NetApp
  • cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Oracle

Remediation

Red Hat 6 advisories

  • RHSA-2021:0184 Released 2021-01-19 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v. 8.1)
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.1) kernel-4.18.0-147.38.1.el8_1, kernel-core-4.18.0-147.38.1.el8_1, kernel-debug-4.18.0-147.38.1.el8_1 +12
  • RHSA-2020:5473 Released 2020-12-15 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-240.8.1.el8_3
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-240.8.1.el8_3, kernel-4.18.0-240.8.1.el8_3, kernel-abi-whitelists-4.18.0-240.8.1.el8_3 +19
  • RHSA-2020:5506 Released 2020-12-15 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-240.8.1.rt7.62.el8_3, kernel-rt-core-4.18.0-240.8.1.rt7.62.el8_3, kernel-rt-debug-4.18.0-240.8.1.rt7.62.el8_3 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-240.8.1.rt7.62.el8_3, kernel-rt-core-4.18.0-240.8.1.rt7.62.el8_3, kernel-rt-debug-4.18.0-240.8.1.rt7.62.el8_3 +9
Show 3 more Red Hat advisories
  • RHSA-2020:5418 Released 2020-12-15 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v. 8.2) kernel-tools-libs-devel-4.18.0-193.37.1.el8_2
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) bpftool-4.18.0-193.37.1.el8_2, kernel-4.18.0-193.37.1.el8_2, kernel-abi-whitelists-4.18.0-193.37.1.el8_2 +20
  • RHSA-2020:5428 Released 2020-12-15 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v. 8.2) kernel-rt-4.18.0-193.37.1.rt13.87.el8_2, kernel-rt-core-4.18.0-193.37.1.rt13.87.el8_2, kernel-rt-debug-4.18.0-193.37.1.rt13.87.el8_2 +7
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) kernel-rt-4.18.0-193.37.1.rt13.87.el8_2, kernel-rt-core-4.18.0-193.37.1.rt13.87.el8_2, kernel-rt-debug-4.18.0-193.37.1.rt13.87.el8_2 +9
  • RHSA-2020:4279 Released 2020-10-19 · Red Hat rating Important
    kernel-alt security update
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-4.14.0-115.32.1.el7a, kernel-abi-whitelists-4.14.0-115.32.1.el7a, kernel-alt-4.14.0-115.32.1.el7a +8
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debug-devel-4.14.0-115.32.1.el7a, kernel-tools-libs-devel-4.14.0-115.32.1.el7a

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise MRG 2AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2020:5473
Red Hat CodeReady Linux Builder EUS (v. 8.1)Fixed RHSA-2021:0184
Red Hat CodeReady Linux Builder EUS (v. 8.2)Fixed RHSA-2020:5418
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2020:5473
Red Hat Enterprise Linux BaseOS EUS (v. 8.1)Fixed RHSA-2021:0184
Red Hat Enterprise Linux BaseOS EUS (v. 8.2)Fixed RHSA-2020:5418
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2020:5506
Red Hat Enterprise Linux Real Time EUS (v. 8.2)Fixed RHSA-2020:5428
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2020:5506
Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2)Fixed RHSA-2020:5428
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2020:4279
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2020:4279
Not affected: 4 products
  • Red Hat CodeReady Linux Builder EUS (v. 8.1)
  • Red Hat Enterprise Linux BaseOS (v. 8)
  • Red Hat Enterprise Linux BaseOS EUS (v. 8.1)
  • Red Hat Enterprise Linux BaseOS EUS (v. 8.2)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-16166
  2. 2026-10-03 Alias added: GHSA-6c68-84gq-j9gr

References

Patch 4

Advisory 11

Sources

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