Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-20317 | First vendor Publication | 2021-09-27 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 4.4 | ||
| Base Score | 4.4 | Environmental Score | 4.4 |
| impact SubScore | 3.6 | Temporal Score | 4.4 |
| Exploitabality Sub Score | 0.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | High | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | None | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:N/I:N/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 4.9 | Attack Range | Local |
| Cvss Impact Score | 6.9 | Attack Complexity | Low |
| Cvss Expoit Score | 3.9 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20317 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-665 | Improper Initialization |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2025-07-15 01:40:26 |
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| 2025-07-14 12:12:39 |
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| 2025-06-26 01:39:38 |
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| 2025-06-25 12:12:32 |
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| 2025-06-24 01:43:13 |
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| 2025-03-29 02:44:06 |
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| 2025-03-28 13:23:55 |
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| 2025-03-28 02:30:49 |
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| 2025-03-18 02:37:35 |
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| 2025-03-14 02:28:57 |
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| 2025-01-08 02:24:20 |
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| 2024-12-18 13:33:30 |
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| 2024-12-12 02:25:35 |
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| 2024-11-28 13:50:43 |
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| 2024-11-09 02:22:24 |
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| 2024-10-26 02:20:25 |
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| 2024-10-25 02:22:09 |
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| 2024-10-23 02:21:39 |
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| 2024-10-03 02:18:32 |
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| 2024-09-04 02:16:34 |
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| 2024-08-02 13:20:35 |
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| 2024-08-02 01:24:11 |
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| 2024-03-12 13:12:28 |
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| 2024-02-02 02:21:07 |
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| 2024-02-01 12:22:34 |
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| 2023-12-29 02:12:17 |
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| 2023-11-22 02:11:48 |
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| 2023-09-05 13:15:28 |
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| 2023-09-05 01:22:09 |
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| 2023-09-02 13:14:11 |
|
| 2023-09-02 01:22:27 |
|
| 2023-08-12 13:20:03 |
|
| 2023-08-12 01:21:40 |
|
| 2023-08-11 13:12:38 |
|
| 2023-08-11 01:22:21 |
|
| 2023-08-06 13:10:44 |
|
| 2023-08-06 01:21:25 |
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| 2023-08-04 13:11:06 |
|
| 2023-08-04 01:21:46 |
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| 2023-07-14 13:11:08 |
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| 2023-07-14 01:21:35 |
|
| 2023-06-06 13:03:43 |
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| 2023-03-29 02:13:30 |
|
| 2023-03-28 12:21:50 |
|
| 2023-01-25 01:59:52 |
|
| 2022-10-11 13:03:33 |
|
| 2022-10-11 01:21:23 |
|
| 2022-09-09 01:58:58 |
|
| 2022-06-14 17:27:26 |
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| 2022-05-27 00:27:36 |
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| 2022-03-10 21:23:21 |
|
| 2022-02-01 01:48:17 |
|
| 2021-12-21 17:23:12 |
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| 2021-12-17 09:23:04 |
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| 2021-12-11 12:49:25 |
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| 2021-12-11 01:46:14 |
|
| 2021-10-06 00:22:55 |
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| 2021-09-27 17:22:52 |
|
