Vulnerability Details : CVE-2021-38604
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.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2021-38604
Probability of exploitation activity in the next 30 days: 1.57%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 87 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-38604
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-38604
-
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-38604
-
https://security.netapp.com/advisory/ntap-20210909-0005/
CVE-2021-38604 GNU C Library (glibc) Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://sourceware.org/bugzilla/show_bug.cgi?id=28213
28213 – NULL pointer dereference due to CVE-2021-33574 fixIssue Tracking;Patch;Third Party Advisory
-
https://sourceware.org/git/?p=glibc.git;a=commit;h=b805aebd42364fe696e417808a700fdb9800c9e8
sourceware.org Git - glibc.git/commitMailing List;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202208-24
GNU C Library: Multiple Vulnerabilities (GLSA 202208-24) — Gentoo securityThird Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GYEXYM37RCJWJ6B5KQUYQI4NZBDDYSXP/
[SECURITY] Fedora 35 Update: glibc-2.34-6.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc
TuxCare Team identifies CVE-2021-38604, a new vulnerability in glibcExploit;Third Party Advisory
-
https://www.oracle.com/security-alerts/cpujul2022.html
Oracle Critical Patch Update Advisory - July 2022Patch;Third Party Advisory
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https://sourceware.org/git/?p=glibc.git;a=commit;h=4cc79c217744743077bf7a0ec5e0a4318f1e6641
sourceware.org Git - glibc.git/commitMailing List;Patch;Third Party Advisory
Products affected by CVE-2021-38604
- cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:enterprise_operations_monitor:4.3:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:enterprise_operations_monitor:4.4:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:enterprise_operations_monitor:5.0:*:*:*:*:*:*:*
- Oracle » Communications Cloud Native Core Network Function Cloud Native Environment » Version: 22.1.0cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:22.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_unified_data_repository:22.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:22.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:22.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:22.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*