Executive Summary

Informations
Name CVE-2021-38604 First vendor Publication 2021-08-12
Vendor Cve Last vendor Modification 2021-10-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None 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:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In librt in the GNU C Library (aka glibc) through 2.34, sysdeps/unix/sysv/linux/mq_notify.c mishandles certain NOTIFY_REMOVED data, leading to a NULL pointer dereference. NOTE: this vulnerability was introduced as a side effect of the CVE-2021-33574 fix.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38604

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 127
Os 1

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210909-0005/
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
MISC https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vul...
https://sourceware.org/bugzilla/show_bug.cgi?id=28213
https://sourceware.org/git/?p=glibc.git;a=commit;h=4cc79c217744743077bf7a0ec5...
https://sourceware.org/git/?p=glibc.git;a=commit;h=b805aebd42364fe696e417808a...

Alert History

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Date Informations
2021-11-09 01:48:03
  • Multiple Updates
2021-10-08 00:23:07
  • Multiple Updates
2021-09-29 09:23:34
  • Multiple Updates
2021-09-16 17:23:17
  • Multiple Updates
2021-09-09 13:22:58
  • Multiple Updates
2021-08-23 17:22:51
  • Multiple Updates
2021-08-19 09:22:51
  • Multiple Updates
2021-08-15 00:22:49
  • Multiple Updates
2021-08-12 21:23:07
  • First insertion