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.
References (8)
Core 8
Core References
Patch x_refsource_misc
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=b805aebd42364fe696e417808a700fdb9800c9e8
Patch x_refsource_misc
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=4cc79c217744743077bf7a0ec5e0a4318f1e6641
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://sourceware.org/bugzilla/show_bug.cgi?id=28213
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GYEXYM37RCJWJ6B5KQUYQI4NZBDDYSXP/
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2022.html
Exploit, Third Party Advisory x_refsource_misc
https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210909-0005/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202208-24
Scores
CVSS v3
7.5
EPSS
0.0010
EPSS Percentile
27.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-476
Status
published
Products (11)
fedoraproject/fedora
35
gnu/glibc
< 2.34
oracle/communications_cloud_native_core_binding_support_function
22.1.3
oracle/communications_cloud_native_core_network_function_cloud_native_environment
22.1.0
oracle/communications_cloud_native_core_network_repository_function
22.1.2
oracle/communications_cloud_native_core_network_repository_function
22.2.0
oracle/communications_cloud_native_core_security_edge_protection_proxy
22.1.1
oracle/communications_cloud_native_core_unified_data_repository
22.2.0
oracle/enterprise_operations_monitor
4.3
oracle/enterprise_operations_monitor
4.4
... and 1 more
Published
Aug 12, 2021
Tracked Since
Feb 18, 2026