CVE-2021-29256
CVSS V2 High 9
CVSS V3 High 8.8
Description
. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.
Overview
- CVE ID
- CVE-2021-29256
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-24T18:15:08
- Last Modified Date
- 2022-03-22T15:00:44
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:arm:bifrost:*:*:*:*:*:*:*:* | 1 | OR | r16p0-01eac0 | r30p0-01eac0 |
| cpe:2.3:a:arm:midgard:*:*:*:*:*:*:*:* | 1 | OR | r28p0-01eac0 | r30p0-01eac0 |
| cpe:2.3:a:arm:valhall:*:*:*:*:*:*:*:* | 1 | OR | r19p0-01eac0 | r30p0-01eac0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 9
- Severity
- HIGH
- Exploitability Score
- 8
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-29256 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29256 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:44:59 | Added to TrackCVE | |||
| 2022-12-05 02:53:42 | 2021-05-24T18:15Z | 2021-05-24T18:15:08 | CVE Published Date | updated |
| 2022-12-05 02:53:42 | 2022-03-22T15:00:44 | CVE Modified Date | updated | |
| 2022-12-05 02:53:42 | Analyzed | Vulnerability Status | updated |