CVE-2021-4204
CVSS V2 None
CVSS V3 High 7.1
Description
An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.
Overview
- CVE ID
- CVE-2021-4204
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-08-24T16:15:09
- Last Modified Date
- 2023-03-01T16:27:44
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.8.0 | |
| cpe:2.3:o:linux:linux_kernel:5.8.0:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
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:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.1
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-4204 | Mitigation Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2039178 | Issue Tracking Third Party Advisory |
| https://security-tracker.debian.org/tracker/CVE-2021-4204 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20221228-0003/ | |
| https://www.openwall.com/lists/oss-security/2022/01/11/4 | Mailing List Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-4204 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4204 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-08-24 17:00:14 | Added to TrackCVE | |||
| 2022-12-28 16:16:11 | 2022-12-28T16:15:09 | CVE Modified Date | updated | |
| 2022-12-28 16:16:11 | Analyzed | Modified | Vulnerability Status | updated |
| 2022-12-28 16:16:11 | Weakness Enumeration | update | ||
| 2022-12-28 16:16:12 | References | updated | ||
| 2022-12-29 11:14:36 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2023-03-01 17:14:34 | 2023-03-01T16:27:44 | CVE Modified Date | updated | |
| 2023-03-01 17:14:34 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |