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TI-2020-10068 Aliases CVE-2020-12659GHSA-wvg9-27w3-xhh7

An issue was discovered in the Linux kernel before 5.6.7.

Priority LOW 31CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.

Why it matters now

EPSS 0.00707 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 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 · 15

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.18 to before 4.19.118; 4.20 to before 5.4.35; 5.5 to before 5.6.7VulnerableLinux
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*h300sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*h410cVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:*h410sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:*h500sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:*h610cVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:*h610sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:*h615cVulnerableNetApp
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.18 to before 4.19.118; 4.20 to before 5.4.35; 5.5 to before 5.6.7 Vulnerable ·Linux
  • cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:* Versions h300s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:* Versions h410c Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:* Versions h410s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:* Versions h500s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:* Versions h610c Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:* Versions h610s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:* Versions h615c Vulnerable ·NetApp
Show 5 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*h700sVulnerableNetApp
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:aff_baseboard_management_controller:a700s:*:*:*:*:*:*:*a700sVulnerableNetApp
cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:* Versions h700s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* 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:h:netapp:aff_baseboard_management_controller:a700s:*:*:*:*:*:*:* Versions a700s Vulnerable ·NetApp
  • cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp

Remediation

Red Hat 2 advisories

  • RHSA-2020:4609 Released 2020-11-04 · 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.rt7.54.el8, kernel-rt-core-4.18.0-240.rt7.54.el8, kernel-rt-debug-4.18.0-240.rt7.54.el8 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-240.rt7.54.el8, kernel-rt-core-4.18.0-240.rt7.54.el8, kernel-rt-debug-4.18.0-240.rt7.54.el8 +9
  • RHSA-2020:4431 Released 2020-11-04 · Red Hat rating Moderate
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-240.el8
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-240.el8, kernel-4.18.0-240.el8, kernel-abi-whitelists-4.18.0-240.el8 +19

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2020:4431
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2020:4431
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2020:4609
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2020:4609
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

  1. 2026-10-02 Threatist record created from CVE-2020-12659
  2. 2026-10-03 Alias added: GHSA-wvg9-27w3-xhh7

References

Exploit 1

Patch 2

Advisory 6

Sources

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