SB2024080678 - Amazon Linux AMI update for systemd

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Main Vulnerability Database SB2024080678

SB2024080678 - Amazon Linux AMI update for systemd

Published: August 6, 2024

Security Bulletin ID SB2024080678
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Uncontrolled recursion (CVE-ID: CVE-2021-3997)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to uncontrolled recursion in systemd-tmpfiles. A local user can create multiple nested directories in the /tmp folder and case systemd to crash during the system boot.


2) Improper Privilege Management (CVE-ID: CVE-2022-4415)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper privilege management when handling coredumps in coredump/coredump.c. A local user can gain access to sensitive information.

The vulnerability affects systems with libacl support.


3) Resource exhaustion (CVE-ID: CVE-2022-45873)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a deadlock within the parse_elf_object() function in shared/elf-util.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References