SB2019120340 - Multiple vulnerabilities in Linux kernel

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Main Vulnerability Database SB2019120340

SB2019120340 - Multiple vulnerabilities in Linux kernel

Published: December 3, 2019 Updated: July 17, 2020

Security Bulletin ID SB2019120340
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2019-19523)

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 local user to escalate privileges on the system.

The vulnerability exists due to use-after-free error in the drivers/usb/misc/adutux.c driver, aka CID-44efc269db79. A local user can use a malicious USB device to trigger use-after-free error and execute arbitrary code on the system with elevated privileges.


2) Use-after-free (CVE-ID: CVE-2019-19528)

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 local user to escalate privileges on the system.

The vulnerability exists due to use-after-free error in the drivers/usb/misc/iowarrior.c driver, aka CID-edc4746f253d. A local user can use a malicious USB device to trigger use-after-free error and execute arbitrary code on the system with elevated privileges.


Remediation

Install update from vendor's website.

References