CVE-2021-26333
CVSS V2 Medium 4.9
CVSS V3 Medium 5.5
Description
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.
Overview
- CVE ID
- CVE-2021-26333
- Assigner
- psirt@amd.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-21T11:15:07
- Last Modified Date
- 2022-04-26T15:33:47
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:amd:chipset_driver:*:*:*:*:*:*:*:* | 1 | OR | 3.08.17.735 | |
| cpe:2.3:a:amd:psp_driver:*:*:*:*:*:*:*:* | 1 | OR | 5.17.0.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:C/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.9
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009 | Vendor Advisory |
| http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html | Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2021/Sep/24 | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-26333 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26333 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:26:34 | Added to TrackCVE | |||
| 2022-12-05 11:03:32 | 2021-09-21T11:15Z | 2021-09-21T11:15:07 | CVE Published Date | updated |
| 2022-12-05 11:03:32 | 2022-04-26T15:33:47 | CVE Modified Date | updated | |
| 2022-12-05 11:03:32 | Analyzed | Vulnerability Status | updated |