SB2009070102 - NULL pointer dereference in Linux kernel 



SB2009070102 - NULL pointer dereference in Linux kernel

Published: July 1, 2009 Updated: August 26, 2020

Security Bulletin ID SB2009070102
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) NULL pointer dereference (CVE-ID: CVE-2009-2287)

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

The vulnerability exists due to a NULL pointer dereference error. A local user can trigger denial of service conditions via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.


Remediation

Install update from vendor's website.