SB2018072508 - Out-of-bounds write in Linux kernel



SB2018072508 - Out-of-bounds write in Linux kernel

Published: July 25, 2018 Updated: April 1, 2019

Security Bulletin ID SB2018072508
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) Out-of-bounds write (CVE-ID: CVE-2018-10880)

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

Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could use this to cause a system crash and a denial of service.


Remediation

Install update from vendor's website.