SB2019082117 - Use-after-free in Linux kernel



SB2019082117 - Use-after-free in Linux kernel

Published: August 21, 2019 Updated: September 6, 2019

Security Bulletin ID SB2019082117
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use-after-free (CVE-ID: CVE-2019-15292)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists in the "atalk_proc_exit" due to a use-after-free error, related to "net/appletalk/atalk_proc.c", "net/appletalk/ddp.c" and "net/appletalk/sysctl_net_atalk.c". A remote attacker can 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.