SB2012100303 - Input validation error in Linux kernel



SB2012100303 - Input validation error in Linux kernel

Published: October 3, 2012 Updated: August 11, 2020

Security Bulletin ID SB2012100303
Severity
Medium
Patch available
YES
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) Input validation error (CVE-ID: CVE-2012-3412)

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

The sfc (aka Solarflare Solarstorm) driver in the Linux kernel before 3.2.30 allows remote attackers to cause a denial of service (DMA descriptor consumption and network-controller outage) via crafted TCP packets that trigger a small MSS value.


Remediation

Install update from vendor's website.