CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.
CVE
CVE-2021-46966
Severity
HIGH
CVSS
7.8
EPSS
0.23%
Linux
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: ACPI: custom_method: fix potential use-after-free issue In cm_write(), buf is always freed when reaching the end of the function. If the requested count is less than table.length, the allocated buffer will be freed but subsequent calls to cm_write() will still try to access it. Remove the unconditional kfree(buf) at the end of the function and set the buf to NULL in the -EINVAL error path to match the rest of function.
Related CVEs
Other vulnerabilities affecting the same vendor(s)