Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-23133 | First vendor Publication | 2021-04-22 |
| Vendor | Cve | Last vendor Modification | 2021-06-23 |
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 race condition in Linux kernel SCTP sockets (net/sctp/socket.c) before 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If sctp_destroy_sock is called without sock_net(sk)->sctp.addr_wq_lock then an element is removed from the auto_asconf_splist list without any proper locking. This can be exploited by an attacker with network service privileges to escalate to root or from the context of an unprivileged user directly if a BPF_CGROUP_INET_SOCK_CREATE is attached which denies creation of some SCTP socket. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23133 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-362 | Race Condition |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2021-06-23 09:23:09 |
|
| 2021-06-11 17:23:06 |
|
| 2021-06-05 01:44:00 |
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| 2021-06-04 01:38:44 |
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| 2021-06-03 01:39:39 |
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| 2021-05-29 01:39:18 |
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| 2021-05-25 12:40:46 |
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| 2021-05-19 12:38:45 |
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| 2021-05-10 17:22:53 |
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| 2021-05-10 13:22:54 |
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| 2021-05-10 12:38:55 |
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| 2021-05-04 14:09:02 |
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| 2021-05-04 13:23:43 |
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| 2021-04-29 09:22:50 |
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| 2021-04-28 01:10:31 |
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| 2021-04-28 01:10:25 |
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| 2021-04-27 21:23:09 |
|
| 2021-04-27 09:22:48 |
|
| 2021-04-23 01:10:29 |
|
