CVE-2021-20269
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.
Overview
- CVE ID
- CVE-2021-20269
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2022-03-10T17:41:27
- Last Modified Date
- 2023-02-12T22:15:17
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:* | 1 | OR | 2.0.21-8 | |
| cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:* | 1 | OR | 2.0.20-47 | |
| cpe:2.3:o:redhat:enterprise_linux:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
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://access.redhat.com/errata/RHSA-2021:4404 | |
| https://access.redhat.com/security/cve/CVE-2021-20269 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1934261 | Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20269 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20269 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:45:52 | Added to TrackCVE | |||
| 2022-12-06 11:41:06 | 2022-03-10T17:41Z | 2022-03-10T17:41:27 | CVE Published Date | updated |
| 2022-12-06 11:41:06 | 2022-10-07T03:32:30 | CVE Modified Date | updated | |
| 2022-12-06 11:41:06 | Analyzed | Vulnerability Status | updated | |
| 2023-02-02 23:13:16 | 2023-02-02T21:20:57 | CVE Modified Date | updated | |
| 2023-02-02 23:13:16 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-02 23:13:17 | A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47. | A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. | Description | updated |
| 2023-02-02 23:13:19 | References | updated | ||
| 2023-02-12 22:16:59 | 2023-02-12T22:15:17 | CVE Modified Date | updated | |
| 2023-02-12 22:17:00 | A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. | A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47. | Description | updated |