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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.

POC

Reference

- https://blog.tuxcare.com/cve/tuxcare-team-identifies-cve-2021-38604-a-new-vulnerability-in-glibc

- https://www.oracle.com/security-alerts/cpujul2022.html

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/dispera/giant-squid

- https://github.com/mJace/rh-cve-tool

- https://github.com/nedenwalker/spring-boot-app-using-gradle

- https://github.com/nedenwalker/spring-boot-app-with-log4j-vuln

- https://github.com/thegeeklab/audit-exporter