CVE-2021-29266
CVSS V2 High 7.2
CVSS V3 High 7.8
Description
An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.
Overview
- CVE ID
- CVE-2021-29266
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-26T22:15:13
- Last Modified Date
- 2023-02-24T18:42:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.11.9 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.2
- Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9 | Release Notes Vendor Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9 | Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20210513-0005/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-29266 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29266 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:15:53 | Added to TrackCVE | |||
| 2022-12-06 00:34:08 | 2021-03-26T22:15Z | 2021-03-26T22:15:13 | CVE Published Date | updated |
| 2022-12-06 00:34:08 | 2021-05-17T20:13:05 | CVE Modified Date | updated | |
| 2022-12-06 00:34:08 | Analyzed | Vulnerability Status | updated | |
| 2023-02-23 17:11:13 | Analyzed | Undergoing Analysis | Vulnerability Status | updated |
| 2023-02-24 19:11:45 | 2023-02-24T18:42:09 | CVE Modified Date | updated | |
| 2023-02-24 19:11:45 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |