CVE-2023-22616 json
An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5.
published 2023-04-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-26752
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- research.nccgroup.com https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-610 Externally Controlled Reference to a Resource in Another Sphere
References
-
research.nccgroup.com
/2023/04/11/stepping-insyde-system-management-mode/
exploit, third-party-advisory
-
insyde.com
/security-pledge
vendor-advisory
-
insyde.com
/security-pledge/SA-2023022
vendor-advisory
Sources
- CVE List CVE-2023-22616
- NVD CVE-2023-22616
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