CVE-2020-27835
CVSS V2 Medium 4.9
CVSS V3 Medium 4.4
Description
A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.
Overview
- CVE ID
- CVE-2020-27835
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-01-07T18:15:13
- Last Modified Date
- 2021-01-14T15:12:37
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:linux:infiniband_hfi1_driver:*:*:*:*:*:*:*:* | 1 | OR | 5.9 | |
| cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:linux:infiniband_hfi1_driver:5.10:rc5:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- 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:H/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 4.4
- Base Severity
- MEDIUM
- Exploitability Score
- 0.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1901709 | Issue Tracking Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27835 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27835 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:27:21 | Added to TrackCVE | |||
| 2022-12-05 19:32:00 | 2021-01-07T18:15Z | 2021-01-07T18:15:13 | CVE Published Date | updated |
| 2022-12-05 19:32:00 | 2021-01-14T15:12:37 | CVE Modified Date | updated | |
| 2022-12-05 19:32:00 | Analyzed | Vulnerability Status | updated |