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.

CVSS breakdown

Affected products

• fedoraproject / fedora35 – 35
• gnu / glibc2.34
• oracle / communications_cloud_native_core_binding_support_function22.1.3 – 22.1.3
• oracle / communications_cloud_native_core_network_function_cloud_native_environment22.1.0 – 22.1.0
• oracle / communications_cloud_native_core_network_repository_function22.2.0 – 22.2.0
• oracle / communications_cloud_native_core_network_repository_function22.1.2 – 22.1.2
• oracle / communications_cloud_native_core_security_edge_protection_proxy22.1.1 – 22.1.1
• oracle / communications_cloud_native_core_unified_data_repository22.2.0 – 22.2.0
• oracle / enterprise_operations_monitor4.3 – 4.3
• oracle / enterprise_operations_monitor4.4 – 4.4
• oracle / enterprise_operations_monitor5.0 – 5.0

References

• MISChttps://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=b805aebd42364fe696e417808a700fdb9800c9e8
• MISChttps://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=4cc79c217744743077bf7a0ec5e0a4318f1e6641
• MISChttps://sourceware.org/bugzilla/show_bug.cgi?id=28213
• MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GYEXYM37RCJWJ6B5KQUYQI4NZBDDYSXP/
• VENDOR_ADVISORYhttps://www.oracle.com/security-alerts/cpujul2022.html
• MISChttps://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc
• MISChttps://security.netapp.com/advisory/ntap-20210909-0005/
• MISChttps://security.gentoo.org/glsa/202208-24