VULNERABILITY INTELLIGENCE

CVE-2026-29647

CVSS score6.5 MEDIUM
EPSS probability0.23%
CISA KEVNot currently listed
Published2026-04-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-269

Primary references