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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Advisories
Source ID Title
EUVD EUVD EUVD-2021-25044 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 30 May 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-05-30T19:48:04.201Z

Reserved: 2021-08-12T00:00:00.000Z

Link: CVE-2021-38604

cve-icon Vulnrichment

Updated: 2024-08-04T01:44:23.621Z

cve-icon NVD

Status : Modified

Published: 2021-08-12T16:15:10.600

Modified: 2025-05-30T19:15:26.503

Link: CVE-2021-38604

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-08-09T00:00:00Z

Links: CVE-2021-38604 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses