SB2019091213 - Red Hat update for kernel 



SB2019091213 - Red Hat update for kernel

Published: September 12, 2019

Security Bulletin ID SB2019091213
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Type Confusion (CVE-ID: CVE-2018-9568)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a type confusion error in the sk_clone_lock() function in sock.c. A local user can run a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with elevated privileges.


2) NULL pointer dereference (CVE-ID: CVE-2019-11810)

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

The vulnerability exists due to a NULL pointer dereference error when megasas_create_frame_pool() fails in megasas_alloc_cmds() in drivers/scsi/megaraid/megaraid_sas_base.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.