SB2020052126 - Multiple vulnerabilities in Linux kernel

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Main Vulnerability Database SB2020052126

SB2020052126 - Multiple vulnerabilities in Linux kernel

Published: May 21, 2020

Security Bulletin ID SB2020052126
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2020-12888)

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

The vulnerability exists due to the VFIO PCI driver mishandles attempts to access disabled memory space. A local user can cause a denial of service condition on the target system.


2) Out-of-bounds read (CVE-ID: CVE-2020-13143)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in "gadget_dev_desc_UDC_store" in "drivers/usb/gadget/configfs.c" file. A remote attacker can trigger out-of-bounds read error and cause a denial of service on the target system.


Remediation

Install update from vendor's website.

References