Use of insufficiently random values in Linux kernel - CVE-2020-16166

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Main Vulnerability Database Vulnerabilities #VU95686

Use of insufficiently random values in Linux kernel - CVE-2020-16166

Published: July 30, 2020 / Updated: April 26, 2022


Vulnerability identifier: #VU95686
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-16166
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

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 repository.

External links