Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2021-08-12T16:15:10.600

Last Modified

2025-05-30T19:15:26.503

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476
Type: Secondary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	glibc	≤ 2.34	Yes
Operating System	fedoraproject	fedora	35	Yes
Application	oracle	communications_cloud_native_core_binding_support_function	22.1.3	Yes
Application	oracle	communications_cloud_native_core_network_function_cloud_native_environment	22.1.0	Yes
Application	oracle	communications_cloud_native_core_network_repository_function	22.1.2	Yes
Application	oracle	communications_cloud_native_core_network_repository_function	22.2.0	Yes
Application	oracle	communications_cloud_native_core_security_edge_protection_proxy	22.1.1	Yes
Application	oracle	communications_cloud_native_core_unified_data_repository	22.2.0	Yes
Application	oracle	enterprise_operations_monitor	4.3	Yes
Application	oracle	enterprise_operations_monitor	4.4	Yes
Application	oracle	enterprise_operations_monitor	5.0	Yes

References

https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc Exploit, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GYEXYM37RCJWJ6B5KQUYQI4NZBDDYSXP/ ([email protected])
https://security.gentoo.org/glsa/202208-24 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210909-0005/ Third Party Advisory ([email protected])
https://sourceware.org/bugzilla/show_bug.cgi?id=28213 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=4cc79c217744743077bf7a0ec5e0a4318f1e6641 ([email protected])
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=b805aebd42364fe696e417808a700fdb9800c9e8 ([email protected])
https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory ([email protected])
https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GYEXYM37RCJWJ6B5KQUYQI4NZBDDYSXP/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202208-24 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210909-0005/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/bugzilla/show_bug.cgi?id=28213 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=4cc79c217744743077bf7a0ec5e0a4318f1e6641 (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=b805aebd42364fe696e417808a700fdb9800c9e8 (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)