commit 6c52daf91779b01e54f50816bf3eb8f5d9035414 Author: Greg Kroah-Hartman Date: Tue Nov 10 21:04:57 2020 +0100 Linux 4.9.243 Signed-off-by: Greg Kroah-Hartman commit 04533793ac10b38103d3aefe1c4b5b1eaf009f35 Author: Len Brown Date: Tue Nov 10 13:00:00 2020 -0800 powercap: restrict energy meter to root access commit 949dd0104c496fa7c14991a23c03c62e44637e71 upstream. Remove non-privileged user access to power data contained in /sys/class/powercap/intel-rapl*/*/energy_uj Non-privileged users currently have read access to power data and can use this data to form a security attack. Some privileged drivers/applications need read access to this data, but don't expose it to non-privileged users. For example, thermald uses this data to ensure that power management works correctly. Thus removing non-privileged access is preferred over completely disabling this power reporting capability with CONFIG_INTEL_RAPL=n. Fixes: 95677a9a3847 ("PowerCap: Fix mode for energy counter") Signed-off-by: Len Brown Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman