NULL pointer dereference in Gnu Glibc
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-…
EPSS: 0.030 (86.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Gnu Glibc
- Oracle Communications_cloud_native_core_binding_support_function — versions 22.1.3
- Oracle Communications_cloud_native_core_network_function_cloud_native_environment — versions 22.1.0
- Oracle Communications_cloud_native_core_network_repository_function — versions 22.1.2, 22.2.0
- Oracle Communications_cloud_native_core_security_edge_protection_proxy — versions 22.1.1
- Oracle Communications_cloud_native_core_unified_data_repository — versions 22.2.0
- Oracle Enterprise_operations_monitor — versions 4.3, 4.4, 5.0
- Fedoraproject Fedora — versions 35
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2021-38604?
- CVE-2021-38604 is a high-severity vulnerability in Gnu Glibc, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-08-12.
- How severe is CVE-2021-38604?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-38604 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.