PT-2022-20307 · Insyde · Ihisismm Driver

Published 2022-11-14 · Updated 2025-04-30 · CVE-2022-30773

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions IhisiSmm driver versions prior to Kernel 5.4: 05.44.23 IhisiSmm driver versions prior to Kernel 5.5: 05.52.23

Description The issue allows DMA attacks on the parameter buffer used by the IhisiSmm driver to change the contents after parameter values have been checked but before they are used, which is a Time-of-Check-to-Time-of-Use (TOCTOU) attack. This was discovered by Insyde engineering.

Recommendations For versions prior to Kernel 5.4: 05.44.23, update to Kernel 5.4: 05.44.23 or later. For versions prior to Kernel 5.5: 05.52.23, update to Kernel 5.5: 05.52.23 or later.

Fix

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2022-30773

Affected Products

Ihisismm Driver

References · 6

• https://osv.dev/vulnerability/CVE-2022-30773 · Vendor Advisory
• https://insyde.com/security-pledge/SA-2022042 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-30773 · Security Note
• https://insyde.com/security-pledge · Vendor Advisory
• https://t.me/cvenotify/37685 · Telegram Post
• https://t.me/cvenotify/120387 · Telegram Post