CVE-2018-19333

PoC —

CVSS 3.0

9.8 critical

EPSS

<1%p55

Published

Nov 17, 2018 (Nov 17, 2018)

Modified

Jun 17, 2026

Description

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.

Vendors: google
Products: gvisor
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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