SB2019090435 - Use-after-free in Linux kernel



SB2019090435 - Use-after-free in Linux kernel

Published: September 4, 2019 Updated: September 5, 2019

Security Bulletin ID SB2019090435
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2019-15919)

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "SMB2_write" in "fs/cifs/smb2pdu.c". A local authenticated user can cause a use-after-free condition and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Remediation

Install update from vendor's website.