Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-4083 | First vendor Publication | 2022-01-18 |
| Vendor | Cve | Last vendor Modification | 2022-03-17 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 7 | ||
| Base Score | 7 | Environmental Score | 7 |
| impact SubScore | 5.9 | Temporal Score | 7 |
| Exploitabality Sub Score | 1 | ||
| Attack Vector | Local | Attack Complexity | High |
| Privileges Required | Low | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:M/Au:N/C:C/I:C/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 6.9 | Attack Range | Local |
| Cvss Impact Score | 10 | Attack Complexity | Medium |
| Cvss Expoit Score | 3.4 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4083 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-416 | Use After Free |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2022-03-31 01:57:52 |
|
| 2022-03-17 21:23:07 |
|
| 2022-03-10 21:23:18 |
|
| 2022-02-25 21:23:13 |
|
| 2022-02-17 21:23:06 |
|
| 2022-02-01 00:23:05 |
|
| 2022-01-28 17:23:08 |
|
| 2022-01-25 21:23:06 |
|
| 2022-01-18 21:22:55 |
|
