Executive Summary

Informations
Name CVE-2021-38208 First vendor Publication 2021-08-08
Vendor Cve Last vendor Modification 2021-09-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low 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:P)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38208

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3424

Sources (Detail)

Source Url
CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1992810
MISC https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10
https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f3...
MLIST http://www.openwall.com/lists/oss-security/2021/08/17/1
http://www.openwall.com/lists/oss-security/2021/08/17/2
http://www.openwall.com/lists/oss-security/2021/08/24/2

Alert History

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Date Informations
2024-03-12 13:18:51
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2022-10-11 13:08:57
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2021-08-09 00:22:48
  • First insertion