- Description
- An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.
- Source
- cve@mitre.org
- NVD status
- Modified
CVSS 3.1
- Type
- Primary
- Base score
- 8.8
- Impact score
- 6
- Exploitability score
- 2
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity
- HIGH
- Hype score
- Not currently trending
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:insyde:insydeh2o:05.27.37:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8DF2D092-D7B1-496B-BF62-512E87CF5992"
},
{
"criteria": "cpe:2.3:a:insyde:insydeh2o:05.36.37:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2F46B2E5-D56C-48CA-B670-28A1184CCBE9"
},
{
"criteria": "cpe:2.3:a:insyde:insydeh2o:05.44.45:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2D7138EB-F30F-4CF4-944C-90A15007307A"
},
{
"criteria": "cpe:2.3:a:insyde:insydeh2o:05.52.45:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4009D6A5-6C19-451A-942C-BFE9EDA37931"
}
],
"operator": "OR"
}
]
}
]