Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2021-38604

Disclosure Date: August 12, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

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.

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • fedoraproject,
  • gnu,
  • oracle

Products

  • communications cloud native core binding support function 22.1.3,
  • communications cloud native core network function cloud native environment 22.1.0,
  • communications cloud native core network repository function 22.1.2,
  • communications cloud native core network repository function 22.2.0,
  • communications cloud native core security edge protection proxy 22.1.1,
  • communications cloud native core unified data repository 22.2.0,
  • enterprise operations monitor 4.3,
  • enterprise operations monitor 4.4,
  • enterprise operations monitor 5.0,
  • fedora 35,
  • glibc
Technical Analysis