Unrated severityNVD Advisory· Published Aug 12, 2021· Updated May 30, 2025
CVE-2021-38604
CVE-2021-38604
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- GNU C Library/GNU C Librarydescription
Patches
Vulnerability mechanics
References
8- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GYEXYM37RCJWJ6B5KQUYQI4NZBDDYSXP/mitrevendor-advisoryx_refsource_FEDORA
- security.gentoo.org/glsa/202208-24mitrevendor-advisoryx_refsource_GENTOO
- blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibcmitrex_refsource_MISC
- security.netapp.com/advisory/ntap-20210909-0005/mitrex_refsource_CONFIRM
- sourceware.org/bugzilla/show_bug.cgimitrex_refsource_MISC
- sourceware.org/git/mitrex_refsource_MISC
- sourceware.org/git/mitrex_refsource_MISC
- www.oracle.com/security-alerts/cpujul2022.htmlmitrex_refsource_MISC
News mentions
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