CVE-2022-36448 json
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5.
published 2022-09-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-39157
- cvss
- 8.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.
Patch / fix
- insyde insydeh2o 05.44.30, 05.52.30
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 17 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- binarly.io https://binarly.io/advisories/BRLY-2022-023/index.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.2 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 8.2 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 8.2 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
binarly.io
/advisories/BRLY-2022-023/index.html
exploit, third-party-advisory
-
insyde.com
/security-pledge
vendor-advisory
-
insyde.com
/security-pledge/SA-2022032
vendor-advisory
Sources
- CVE List CVE-2022-36448
- NVD CVE-2022-36448
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