Read the docs
TI-2018-14290 Aliases CVE-2018-20168GHSA-7rr2-q546-7grq

Google gVisor before 2018-08-22 reuses a pagetable in a different level with the…

Priority LOW 25CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

Google gVisor before 2018-08-22 reuses a pagetable in a different level with the paging-structure cache intact, which allows attackers to cause a denial of service ("physical address not valid" panic) via a crafted application.

Why it matters now

EPSS 0.00279 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:gvisor:*:*:*:*:*:*:*:*before 2018-08-22VulnerableGoogle
  • cpe:2.3:a:google:gvisor:*:*:*:*:*:*:*:* Versions before 2018-08-22 Vulnerable ·Google

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-20168
  2. 2026-10-03 Alias added: GHSA-7rr2-q546-7grq

References

Patch 1

  • TI-2018-13698 pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to… CVSS 3.0CRITICAL 9.8
  • TI-2018-11721 Google gVisor before 2018-08-23, within the seccomp sandbox, permits access to the… CVSS 3.0MEDIUM 6.8
  • TI-2025-02373 Improper File Permission Handling in Google gVisor runsc CVSS 4.0MEDIUM 6.8
  • TI-2024-09825 Weaknesses in the generation of TCP/UDP source ports and some other header values in… CVSS 4.0MEDIUM 6.3
  • TI-2023-06639 Denial-of-Service in Gvisor CVSS 3.1MEDIUM 6.5
  • TI-2024-09306 Improved Seeding and Hashing In gVisor CVSS 4.0MEDIUM 6.3

Sources

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