Overview
- Description
- An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
Weaknesses
- nvd@nist.gov
- CWE-787
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D301572D-C5C6-41F1-A5D2-41F07E0FC15D",
"versionEndIncluding": "5.5",
"versionStartIncluding": "5.0"
},
{
"criteria": "cpe:2.3:a:insyde:insydeh2o:5.5.05.53.22:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6EA483CB-E835-40C9-8DE0-6B2DB2A2D736"
},
{
"criteria": "cpe:2.3:a:insyde:insydeh2o:5.6:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2D36B269-1168-4287-8F11-F5DFE8B23A5E"
},
{
"criteria": "cpe:2.3:a:insyde:insydeh2o:5.6.05.60.22:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0ECB2B5B-C312-479F-8BAE-9B98E5DD5CD7"
}
],
"operator": "OR"
}
]
}
]