CVE-2021-38604
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
En librt en la Biblioteca C de GNU (también se conoce como glibc) versiones hasta 2.34, el archivo sysdeps/unix/sysv/linux/mq_notify.c, maneja inapropiadamente determinados datos NOTIFY_REMOVED, conllevando una desreferencia de puntero NULL. NOTA: esta vulnerabilidad se introdujo como efecto secundario de la corrección de CVE-2021-33574
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-08-12 CVE Reserved
- 2021-08-12 CVE Published
- 2024-04-27 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20210909-0005 | Third Party Advisory |
|
| https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=4cc79c217744743077bf7a0ec5e0a4318f1e6641 | X_refsource_misc | |
| https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=b805aebd42364fe696e417808a700fdb9800c9e8 | X_refsource_misc |
| URL | Date | SRC |
|---|---|---|
| https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc | 2024-08-04 |
| URL | Date | SRC |
|---|---|---|
| https://sourceware.org/bugzilla/show_bug.cgi?id=28213 | 2023-11-07 | |
| https://www.oracle.com/security-alerts/cpujul2022.html | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Gnu Search vendor "Gnu" | Glibc Search vendor "Gnu" for product "Glibc" | <= 2.34 Search vendor "Gnu" for product "Glibc" and version " <= 2.34" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Cloud Native Core Binding Support Function Search vendor "Oracle" for product "Communications Cloud Native Core Binding Support Function" | 22.1.3 Search vendor "Oracle" for product "Communications Cloud Native Core Binding Support Function" and version "22.1.3" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Cloud Native Core Network Function Cloud Native Environment Search vendor "Oracle" for product "Communications Cloud Native Core Network Function Cloud Native Environment" | 22.1.0 Search vendor "Oracle" for product "Communications Cloud Native Core Network Function Cloud Native Environment" and version "22.1.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Cloud Native Core Network Repository Function Search vendor "Oracle" for product "Communications Cloud Native Core Network Repository Function" | 22.1.2 Search vendor "Oracle" for product "Communications Cloud Native Core Network Repository Function" and version "22.1.2" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Cloud Native Core Network Repository Function Search vendor "Oracle" for product "Communications Cloud Native Core Network Repository Function" | 22.2.0 Search vendor "Oracle" for product "Communications Cloud Native Core Network Repository Function" and version "22.2.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Cloud Native Core Security Edge Protection Proxy Search vendor "Oracle" for product "Communications Cloud Native Core Security Edge Protection Proxy" | 22.1.1 Search vendor "Oracle" for product "Communications Cloud Native Core Security Edge Protection Proxy" and version "22.1.1" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Cloud Native Core Unified Data Repository Search vendor "Oracle" for product "Communications Cloud Native Core Unified Data Repository" | 22.2.0 Search vendor "Oracle" for product "Communications Cloud Native Core Unified Data Repository" and version "22.2.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Enterprise Operations Monitor Search vendor "Oracle" for product "Enterprise Operations Monitor" | 4.3 Search vendor "Oracle" for product "Enterprise Operations Monitor" and version "4.3" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Enterprise Operations Monitor Search vendor "Oracle" for product "Enterprise Operations Monitor" | 4.4 Search vendor "Oracle" for product "Enterprise Operations Monitor" and version "4.4" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Enterprise Operations Monitor Search vendor "Oracle" for product "Enterprise Operations Monitor" | 5.0 Search vendor "Oracle" for product "Enterprise Operations Monitor" and version "5.0" | - |
Affected
| ||||||