SB2021020316 - Red Hat Enterprise Linux 7 update for linux-firmware



SB2021020316 - Red Hat Enterprise Linux 7 update for linux-firmware

Published: February 3, 2021

Security Bulletin ID SB2021020316
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-12321)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to a boundary error. A remote attacker on the local network can trigger memory corruption and execute arbitrary code on the target system with elevated privileges.


Remediation

Install update from vendor's website.