TI-2018-13698 Aliases CVE-2018-19333 GHSA-r6hh-xg5m-g342

pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to…

MEDIUM 44Published 2018-11-17 · Updated 2024-08-05

Key facts

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

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

Summary

pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to overwrite memory locations in processes running as root (but not escape the sandbox) via vectors involving IPC_RMID shmctl calls, because reference counting is mishandled.

Why it matters now

EPSS 0.00813 57th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

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

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 · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:google:gvisor::::::::	before 2018-11-01	Vulnerable	Google

cpe:2.3:a:google:gvisor:*:*:*:*:*:*:*:* Versions before 2018-11-01 Vulnerable ·Google

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-19333
2026-10-03 Alias added: GHSA-r6hh-xg5m-g342

References

Exploit 1

https://justi.cz/security/2018/11/14/gvisor-lpe.html

Patch 1

https://github.com/google/gvisor/commit/0e277a39c8b6f905e289b75e8ad0594e6b3562ca

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
TI-2018-14290 Google gVisor before 2018-08-22 reuses a pagetable in a different level with the… CVSS 3.0MEDIUM 5.5

Sources

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