description: In FreeBSD before 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially allowing some kernel data used in the system call to be exposed.
problem types: Improper Cross-boundary Removal of Sensitive Data
affected:
{
product: FreeBSD
vendor: FreeBSD
versions:
status: affected, version: FreeBSD 11.2 before 11.2-RELEASE-p9 and 12.0 before 12.0-RELEASE-p3
}