VULNERABILITY INTELLIGENCE

CVE-2021-36710

CVSS score8.8 HIGH
EPSS probability0.35%
CISA KEVNot currently listed
Published2022-06-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Description

ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0.

Weakness classification

  • nvd@nist.gov: CWE-668

Primary references