CVE-2021-3492

Name of the Vulnerable Software and Affected Versions Shiftfs versions prior to the fixed version

Description The issue is related to the copy from user() function in the shiftfs file system of the Linux kernel, which is associated with a double-free memory error. This can allow an attacker to access confidential data, compromise data integrity, and cause a denial of service. The vulnerability can also be exploited to gain privileges via executing arbitrary code. An attacker could use this to cause kernel memory exhaustion.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.