Discover the details of CVE-2021-0147, an Intel Chipset firmware vulnerability allowing denial of service via local access. Learn about affected systems and how to prevent exploitation.
This CVE-2021-0147 involves improper locking in the Power Management Controller (PMC) for some Intel Chipset firmware. The vulnerability exists in versions pmc_fw_lbg_c1-21ww02a and pmc_fw_lbg_b0-21ww02a which could allow a privileged user to potentially enable denial of service via local access.
Understanding CVE-2021-0147
This section provides insight into the nature and impact of CVE-2021-0147.
What is CVE-2021-0147?
CVE-2021-0147 refers to an improper locking issue in the Power Management Controller (PMC) for certain Intel Chipset firmware versions that may lead to a denial of service when exploited by a privileged user with local access.
The Impact of CVE-2021-0147
The impact of this vulnerability is the potential for a privileged user to trigger denial of service through the affected Intel Chipset firmware.
Technical Details of CVE-2021-0147
Explore the technical aspects associated with CVE-2021-0147 below.
Vulnerability Description
The vulnerability arises from improper locking mechanisms in the Power Management Controller (PMC) of specific Intel Chipset firmware versions.
Affected Systems and Versions
Systems running Intel Chipset firmware versions pmc_fw_lbg_c1-21ww02a and pmc_fw_lbg_b0-21ww02a are susceptible to this vulnerability.
Exploitation Mechanism
A privileged user with local access can exploit this vulnerability to potentially enable denial of service on the affected systems.
Mitigation and Prevention
Learn how to mitigate and prevent the exploitation of CVE-2021-0147.
Immediate Steps to Take
Immediately update the affected Intel Chipset firmware to versions pmc_fw_lbg_c1-21ww02a and pmc_fw_lbg_b0-21ww02a to address this vulnerability.
Long-Term Security Practices
Incorporate regular security updates and monitoring practices to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories and promptly apply patches provided by Intel to protect your systems from potential attacks.