CVEs-PoC/2021/CVE-2021-38604.md

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