SB2020011529 - Race condition in Linux kernel



SB2020011529 - Race condition in Linux kernel

Published: January 15, 2020

Security Bulletin ID SB2020011529
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2007-4774)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The Linux kernel before 2.4.36-rc1 has a race condition. It was possible to bypass systrace policies by flooding the ptraced process with SIGCONT signals, which can can wake up a PTRACED process.


Remediation

Install update from vendor's website.