SB2019092319 - Information disclosure in Linux kernel



SB2019092319 - Information disclosure in Linux kernel

Published: September 23, 2019 Updated: September 24, 2019

Security Bulletin ID SB2019092319
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2019-16714)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to "tos" and "flags" fields are not initialized in "rds6_inc_info_copy" in the "net/rds/recv.c" file. A remote attacker can gain unauthorized access to sensitive information from kernel stack memory.


Remediation

Install update from vendor's website.