SB2019120339 - Multiple vulnerabilities in Linux kernel

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Main Vulnerability Database SB2019120339

SB2019120339 - Multiple vulnerabilities in Linux kernel

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

Security Bulletin ID SB2019120339
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2019-19966)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


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

In the Linux kernel before 5.1.6, there is a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service, aka CID-dea37a972655.


2) Use-after-free (CVE-ID: CVE-2019-19543)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local authenticated user to execute arbitrary code.

In the Linux kernel before 5.1.6, there is a use-after-free in serial_ir_init_module() in drivers/media/rc/serial_ir.c.


Remediation

Install update from vendor's website.

References