SB20240620152 - Improper locking in Linux kernel



SB20240620152 - Improper locking in Linux kernel

Published: June 20, 2024

Security Bulletin ID SB20240620152
Severity
Low
Patch available
YES
Number of vulnerabilities 1
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 1 security vulnerability.


1) Improper locking (CVE-ID: CVE-2009-1388)

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

The ptrace_start function in kernel/ptrace.c in the Linux kernel 2.6.18 does not properly handle simultaneous execution of the do_coredump function, which allows local users to cause a denial of service (deadlock) via vectors involving the ptrace system call and a coredumping thread.


Remediation

Install update from vendor's website.