CVE-2021-26333
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:C/I:N/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.9 Medium
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
17.3%
An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| amd:chipset_driver | amd chipset driver | lt | 3.08.17.735 |
| amd:psp_driver | amd psp driver | lt | 5.17.0.0 |
CNA Affected
[
{
"product": "PSP Driver",
"vendor": "AMD",
"versions": [
{
"lessThan": "5.17.0.0",
"status": "affected",
"version": "PSP Driver",
"versionType": "custom"
}
]
}
]Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:C/I:N/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.9 Medium
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
17.3%