🛡️ CVE-2022-33909
🟠 CVSS 7.0 — High ✅ No Known Exploit CWE-367 NVD
7.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

DMA transactions which are targeted at input buffers used for the HddPassword software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the HddPassword driver could cause SMRAM corruption through a TOCTOU attack..This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in kernel Kernel 5.2: 05.27.23, Kernel 5.3: 05.36.23, Kernel 5.4: 05.44.23, Kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022051

Details

Severity HIGH
CVSS Score 7.0
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-367
Public Exploit ✅ No
Source NVD
Published 2022-11-15
Updated 2026-06-08
Modified 2025-04-30
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel 5.5 5.5.05.52.23

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