Improper locking in Intel Power Management Controller (PMC) - CVE-2021-0147
Published: February 9, 2022
Vulnerability identifier: #VU60452
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-0147
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service attack (DoS) on the target system.
The vulnerability exists due to double-locking error. An authenticated local user can exploit this vulnerability to cause a deadlock, resulting in a denial of service condition.
Affected software
Intel Power Management Controller (PMC)
Dell EMC VxRail Appliance
Dell EMC VxRail Appliance
How to mitigate CVE-2021-0147
Install updates from vendor's website.
Intel Power Management Controller (PMC) - addressed in versions pmc_fw_lbg_b0-21ww02a, pmc_fw_lbg_c1-21ww02a
Dell EMC VxRail Appliance - update to 4.5.480
Dell EMC VxRail Appliance - update to 4.5.480