SB2020073052 - Use of insufficiently random values in Linux kernel char driver

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Main Vulnerability Database SB2020073052

SB2020073052 - Use of insufficiently random values in Linux kernel char driver

Published: July 30, 2020

Security Bulletin ID SB2020073052
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use of insufficiently random values (CVE-ID: CVE-2020-16166)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to use of insufficiently random values error within the prandom_state_selftest() function in lib/random32.c, within the update_process_times() function in kernel/time/timer.c, within the add_interrupt_randomness() function in drivers/char/random.c. A remote non-authenticated attacker can gain access to sensitive information.


Remediation

Install update from vendor's website.

References