SB2021081710 - Denial of service in GNU C Library



SB2021081710 - Denial of service in GNU C Library

Published: August 17, 2021

Security Bulletin ID SB2021081710
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2021-38604)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the "sysdeps/unix/sysv/linux/mq_notify.c" file within NOTIFY_REMOVED data. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.